Written by the team behind Puzzlify. Puzzlify is our product, so weigh what follows with that in mind. We've tried to make this useful even if you never use it. We're not affiliated with any radio museum, wireless museum, vintage radio society, broadcasting museum, amateur radio club, radio station, broadcaster, telecoms company, electrical retailer, council, heritage body, heritage funder, sponsor, school or community organisation. Nothing here is legal, electrical, high voltage, mains safety, capacitor, valve or tube, battery, radio licensing, amateur radio, transmitter, aerial or antenna, work at height, chemical, radioactive material, asbestos, soldering, workshop safety, object conservation, health and safety, first aid, safeguarding, copyright, photography permission, employment or data protection advice; check your own group's guidance on gifts, photos, the sets, the workshop, the electrics, children and people's details.
It's half past ten on a wet Saturday at the end of October, and a retired television engineer called Graham is switching on the lights in a small museum of radio and wireless that lives above a row of shops on the high street. Along the walls stand the sets: tall walnut cabinets from the 1930s with fretwork fronts like church windows, round Bakelite sets in brown and cream, a crystal set with its cat's whisker, a wartime receiver painted dull green, a row of transistor radios in bright plastic from the 1960s, and a television with a screen the size of a postcard set into a cabinet the size of a wardrobe. On every tuning dial is the same list of magical names: Hilversum, Luxembourg, Droitwich, Athlone, Paris, Stockholm.
Graham goes first to the workshop at the back. On the bench is a set a visitor brought in last month, a pre-war wireless that belonged to her grandmother and hasn't made a sound since 1962. He has spent four Saturdays on it, testing every part before he dared to let any power near it, replacing the old capacitors that might otherwise fail dangerously, and checking the wiring that eighty years of damp and mice have done their best to ruin. Today, if all goes well, he'll bring it up slowly on the test bench, watch the valves begin to glow orange, and hear the first crackle of a voice coming out of a loudspeaker that has been silent for longer than most of the visitors have been alive.
Graham isn't the only one. There's a former schoolteacher called Ruth who runs the visits and can make a room full of ten-year-olds go silent by switching off the lights and turning on a set with a glowing dial; a team of restorers who repair cabinets, re-cover speaker grilles and polish Bakelite until it shines; a licensed radio amateur who runs the museum's own station on open days; volunteers who catalogue the listings magazines, the service manuals, the wartime leaflets and the photographs of the old radio shops; a woman who records the memories of people who remember listening to the wireless as children; volunteers who look after the shop, the front desk and the kettle; and a committee who deal with the insurance, the rent, the electrical testing, the leaking roof and the grant applications.
By four o'clock the light will be going, the last visitor will have gone home humming a dance band tune from 1937, the workshop bench will be cleared and every set will be switched off and unplugged. That's a good moment to think about how to say thank you.
Who we mean
Radio and wireless museums keep alive the history of the invention that brought the world into everyone's living room: crystal sets and valve radios, wartime receivers and broadcasting equipment, gramophones and early televisions, transistor radios and the people who made, sold, repaired and listened to them. Some are small volunteer-run museums in a back room or a converted shop. Some are collections inside larger museums with paid staff. Some are vintage radio societies that run a museum, a workshop and a club. When we say "vintage radio museum volunteers", we mean people like:
- the guides and demonstrators, who show visitors round the collection and switch on the sets that can safely be played;
- the restorers and repair volunteers, who test, repair and restore old sets, with all the care that old high-voltage electrics demand;
- the cabinet and conservation volunteers, who look after the wood, the Bakelite, the fabric, the dials and the knobs;
- the radio amateurs, who run the museum's own licensed station on open days and special events;
- the archive volunteers, who look after the service manuals, the listings magazines, the posters, the advertisements and the photographs of radio shops, studios and factories;
- the oral history volunteers, who record the memories of people who listened to the wireless, built sets or worked in the industry;
- the education volunteers, who run school visits, family days and talks for local groups;
- the shop, front desk and events volunteers, who sell the books and the postcards, take the tickets and run the open days;
- the trustees and the committee, including the chair, the secretary, the treasurer and the people who look after the insurance, the safety paperwork, the electrical testing and the collection records;
- the founders, who started with a single set in the spare room and a feeling that somebody ought to save all this before it went to the tip.
Some radio museums open a few days a month. Others are open every week. Everything here works whatever the size.
Words first
The most important part of any thank-you is what you say. Radio museum volunteers often work out of sight. Visitors see the polished cabinets and hear the old sets play, but they rarely see the restorer who spent a month tracing a fault in a set nobody else could fix, the archivist who sorted forty years of listings magazines, or the treasurer who found the money for the new display cases. So be specific:
- name the job: "every Saturday since 2011", "the set you brought back to life", "the visit you ran for my son's class", "the moment you turned off the lights and the dial began to glow";
- name a moment: the first time your grandmother's wireless played again, the open day when the museum's station talked to someone on the other side of the world, the school visit when a child asked what a valve was and couldn't stop asking questions;
- name what it meant: the first time you understood what your grandparents heard during the war, the sound of your childhood coming out of a box you thought was lost, the sheer patience of the work;
- name the years: "fourteen years of Saturdays" means more than "thank you for all you do".
If you're thanking a whole group, try to name the people who never get named. The treasurer, the person who keeps the collection records, the volunteer who arranges the electrical testing, the one who answers the museum's email and the one who dusts a hundred cabinets every month. They're the ones who keep a radio museum open.
A sentence like "the history of radio in this town wouldn't be remembered without you" can sound like a big claim, but at a volunteer-run museum it's often simply true. If it is, say it.
Who it suits
A photo jigsaw with a note works best for someone who:
- enjoys a small puzzle on a phone or tablet, or has grandchildren who'll help;
- has a strong feeling for a particular set, a maker, a radio shop or a moment in broadcasting history;
- is stepping down as a guide, retiring from the workshop or celebrating a long-service milestone;
- has finished a long restoration and would love to see the set they saved in a new way;
- has moved away and misses the museum, the workshop and the people;
- has a partner or family who'd like to say thank you for all the time they gave.
There's a nice irony in sending a radio enthusiast a puzzle to play on a phone: the phone in their pocket is, among other things, a radio, and the great-grandchild of the sets they look after. Many radio volunteers will enjoy that. It's less suitable for someone who doesn't use a phone or a computer at all, in which case a printed card or a framed photo may be better, or someone who would feel uncomfortable being singled out. For them, a quiet word in the workshop at the end of the day may be best.
The sets come first
A few practical rules before you send anything:
- A workshop is a workshop. When volunteers are testing or repairing a set, they're working with electrics that can hurt them. Never distract them, even with a thank-you. Wait until the set is switched off and unplugged and they've put their tools down, or leave a card at the front desk.
- Old sets can be dangerous. Valve radios and old televisions run at high voltages, and some parts can hold a dangerous charge even after the set has been unplugged. Only the volunteers the museum has trained and authorised open, test or repair them. Never take the back off a set, reach inside, or touch the chassis or the valves.
- Never plug in an old set just to see. A set that hasn't been checked by someone who knows what they're doing can catch fire, give a shock or destroy itself in seconds. That applies at home too. If you have an old family set, ask the museum or a vintage radio society for advice before anyone plugs it in.
- Hot valves are hot. Valves and the parts around them get very hot when a set is playing. Keep hands, fingers and children well away from the back of any working set.
- Some old materials need care. A few old sets, meters and instruments contain materials that need specialist handling, such as luminous paint on some old dials and military instruments, or materials in some old heaters and parts. Follow the museum's rules, and don't handle objects that are behind glass or on a "do not touch" shelf.
- Aerials and masts are for the trained. The museum's aerial may be on the roof or on a mast in the yard. Putting up and taking down aerials is work at height, and work near power lines needs extreme care. Leave it to the people responsible for it.
- The museum's station is licensed. If the museum runs an amateur radio station, only licensed operators transmit, under the rules of their licence. Don't touch the transmitter or the microphone unless an operator invites you to and stays in charge.
- The sets are museum objects. Cabinets, knobs, dials, valves and manuals are often irreplaceable. Don't touch, turn, lean on or take souvenirs of anything unless the museum offers them. If you'd like to see more, ask about a behind-the-scenes visit.
- Paid staff. Some museums have paid managers, curators or technicians, and their employers may have rules about gifts. Keep anything for paid staff small and personal, and check with the volunteer coordinator if you're not sure.
- The museum's money is the museum's. If you'd like to support the museum, donate directly, sponsor a restoration or become a member. Don't use museum funds for a personal thank-you to a single volunteer unless the trustees agree. A personal gift from you is a different thing, and a modest one is fine.
- Children and school groups. Many radio museums welcome families and school groups. Don't photograph children or single them out publicly without their parents' and the group's agreement.
- Call signs and people's details. Keep the volunteer rota, the repair book with owners' names and addresses, the training records, the membership list, the cash box, the keys and anyone's phone number out of everything you photograph or send. A radio amateur's call sign is public in many countries, but it can still lead to their home address, so ask before you put it in a photo or a note.
When to send it
Good moments to thank a radio museum volunteer:
- at the end of the season, when the museum moves to winter hours and the workshop gets busier;
- after a big open day, a radio fair, a special event station or a talk;
- when a restoration is finished and a set plays again for the first time in decades;
- on an anniversary of the museum, of a local radio station or of a moment in broadcasting history that matters to your town;
- when a volunteer qualifies as a radio amateur, or steps down after many years;
- at the museum's annual general meeting, when everyone in the room is thanked;
- around World Radio Day, 13 February, if the museum marks it;
- in memory of a volunteer who has died, with their family's agreement.
There's no wrong time to say thank you, but late October is a good one. The clocks go back this Sunday in the UK, Ireland and much of Europe, the evenings are drawing in, and the long dark months are when a glowing dial and a warm voice from an old wireless set feel most like company. For many volunteers it's also the start of the winter restoration season, when the bench fills up with sets brought in over the summer.
Why a jigsaw can fit
An old wireless looks like one thing, but it's hundreds of pieces: valves and capacitors, resistors and coils, the tuning gang and the dial cord, the loudspeaker and the transformer, the knobs and the cabinet, every one of which a restorer may have tested, cleaned or replaced by hand. Restoring a set is a bit like a puzzle anyway: you work out what's missing, you find the right piece, you fit it in, and you don't know if you've got it right until the very end, when the valves glow and the voice comes through. A radio museum is pieces too: the guides, the restorers, the cabinet volunteers, the radio amateurs, the archivists, the trustees. A jigsaw of a set they love, with a note that appears when the last piece goes in, echoes that.
It's private, it's small, and it doesn't add to the clutter in someone's house, which, if they're a radio enthusiast, may already be full of sets, valves and service manuals. And unlike a framed print, it can be sent from anywhere: from the family whose grandmother's set was brought back to life, from the volunteer who moved away, from the listener on the other side of the world who once talked to the museum's station on a winter evening.
For the guides and demonstrators
Guides make the museum come alive. They explain what a crystal set was and why it needed no batteries, how families gathered round the wireless for the news, why a set's dial was covered in the names of faraway cities, and how a valve works without making anyone's eyes glaze over. They answer the same questions ("does it still work?", "how did they get the voices in there?") with patience every time. A note to a guide might mention the tour you went on, the set they switched on for you, or the moment the room went quiet and everyone listened. A photo of a favourite set in the gallery, taken with permission, suits them.
For the restorers and repair volunteers
Restoring an old set is skilled, careful and sometimes dangerous work. The restorers test before they power anything, replace the parts that age and fail, trace faults through circuit diagrams that are older than they are, hunt for valves and spares all over the world, and know exactly which jobs they must never rush. It's patient work, done in a quiet workshop with a soldering iron and a cup of tea going cold. A note might mention the set they brought back for your family, the first time you heard it play, or the winters they've spent at the bench. A photo of the restored set with its dial lit up, taken once it's safely playing on the shelf, suits them.
For the cabinet and conservation volunteers
A set isn't just its electrics. The cabinet and conservation volunteers repair cracked veneers, fill scratches, polish Bakelite, replace worn speaker cloth with fabric that matches the original, clean dials without wiping off the station names, and find knobs that were lost decades ago. Their work is the first thing every visitor sees and the last thing anyone thanks them for. A note might mention the walnut cabinet that gleams again, the Bakelite that shines like new, or the dial they rescued. A close-up of a polished cabinet, a fretwork front or a row of knobs suits them.
For the radio amateurs
On open days and special event days, some museums put a licensed station on the air, and visitors can watch, listen and sometimes, under the operator's control, say hello to someone in another town or another continent. It brings the history of radio right into the present. A note might mention the contact you heard, the distant voice that came out of the static, or the patience they showed your child. A photo of the station's equipment or the aerial against the sky, taken with permission and with no call signs or details readable, suits them.
For the archive and oral history volunteers
The archive volunteers look after the paper side of radio: service manuals and circuit diagrams, listings magazines, advertisements, wartime leaflets, posters, photographs of radio shops and factories, and the letters and documents of the people who built the industry. The oral history volunteers record the memories of people who listened to the wireless as children, built sets as teenagers or worked in the shops and factories. A note might mention the photograph they found for you, the recording you heard or the family history they helped you piece together. A photo of an old radio advertisement or a listings magazine cover, with permission, suits them.
For the education volunteers
The education volunteers bring the history of radio to children who have grown up with phones and streaming. They run school visits about science, communication and history, let children build simple circuits or crystal sets, and show them how people once heard the news. A note might mention the school trip your daughter still talks about, the crystal set your son built, or the question he asked on the way home. A photo of a crystal set, a row of headphones or a glowing dial, taken without any children in it, suits them.
For the trustees and the founders
The trustees carry the responsibility: the lease, the insurance, the safety management, the electrical testing, the collection records, the grants, the volunteers, the accounts and the long negotiations with landlords, councils and heritage bodies. The founders started with a single set in the spare room and wouldn't give up, even when the collection outgrew three garages and nobody had anywhere to put it. If the museum exists because of them, say so. A photo of the museum as it is now, or a carefully chosen then-and-now pair, suits them.
If you live with a radio museum volunteer
Partners and families give up a lot: the Saturdays, the radio fairs, the smell of solder in the shed, the sets on the landing waiting for repair, the valves in the kitchen drawer, the committee meetings and the holidays planned around the open day. If you live with a radio museum volunteer, a jigsaw from you can say something they might not hear from anyone else: "Thank you for all the time you give. I know what those old sets mean to you, and I'm proud of you." A photo of the set they're proudest of, with its dial glowing in a dark room, suits this.
When a long-serving volunteer steps down
When someone leaves after many years, the museum often gives them a card, a framed photograph or a small piece of history, such as a spare knob from a favourite set or an old valve on a little stand. A jigsaw from the group can sit alongside that. Pick a photo that sums up their years: the set they restored, the tours they gave, the station they ran, the archive they sorted. Ask everyone to add a line to the note, or keep it short and let the card carry the longer messages.
In memory of a volunteer
Some museums name a gallery or a display case after a volunteer who has died. If a volunteer has died, a jigsaw can be a gentle way for their family or the group to remember them, but only with the family's agreement. Choose a photo they loved, avoid anything that might upset, leave the leaderboard off, and keep the note simple: "In memory of Graham, who could make any old set sing."
For radio museum volunteers elsewhere
What we've written applies in many places where radio history is cared for by volunteers:
- in England, Wales and Scotland, where radio and wireless museums, vintage radio societies and broadcasting collections are often run largely by volunteers, many of them former engineers;
- in Northern Ireland and Ireland, where museums and collections keep alive the history of the wireless and of early broadcasting;
- in the United States, where antique radio museums, radio clubs and collections of tube radios, early televisions and broadcasting equipment are kept going by volunteer restorers and docents;
- in Canada, where radio museums and heritage groups tell the story of early broadcasting, wartime radio and the sets that reached remote communities;
- in Australia and New Zealand, where radio museums, vintage wireless societies and historical collections are cared for by volunteers who restore valve sets and remember the voices that crossed great distances;
- across Europe, where radio and broadcasting museums are supported by volunteer restorers, radio amateurs and archivists.
The rules about access, gifts, photos, safety and radio licensing vary from place to place. Check your own group's guidance, and keep the thank-you personal and modest.
Photo ideas and consent
The best photos for a radio museum thank-you are often the simple ones, taken from the visitor area or during a quiet moment, with permission. Some ideas:
- an old wireless set in a dim room, with its tuning dial glowing;
- a close-up of a dial, with its list of faraway station names;
- a row of Bakelite sets on a shelf, in brown, cream and green;
- a walnut cabinet with a fretwork front, in the window light;
- a crystal set, a pair of old headphones or a cat's whisker, close up;
- an old radio advertisement or a listings magazine cover, with permission;
- the museum's aerial against a winter sky, taken from a safe place.
Things never to photograph, or to keep out of the frame:
- volunteers working on a set, especially with the back off, unless they've clearly agreed, and never in a way that distracts them;
- the inside of a set where you'd have to open it or reach in to get the photo;
- visitors, at any time, unless they've clearly agreed;
- children and young people, including school groups and young volunteers, without their parents' and the group's agreement;
- the repair book, the volunteer rota, the training records and any page with names, addresses or signatures;
- call signs, logbooks and contact cards, unless the people involved have agreed;
- the keys, key safes, door codes, alarms and any security features;
- private homes, their windows, their cars and their gardens, around the museum.
If the photo has people in it, ask them first. A photo with no people at all, just the set, the dial, the knobs or the cabinet, is often the easiest and best choice.
Getting the JPG right
Puzzlify works from a JPG. Most phone photos are already JPGs, or can be saved as one. A few practical tips:
- switch the flash off: it flattens the wood, bounces off glass dials and polished Bakelite, and wipes out the glow you wanted to capture;
- a glowing dial looks best in a dim room, so keep the phone steady against a shelf or a table and let the dial light do the work;
- tap on the dial to set the exposure, so the glow doesn't turn into a white blob, and let the cabinet fall gently into shadow;
- glass dials and polished cabinets reflect everything, including you, so try a slightly different angle if you can see the window or your own phone in the shot;
- landscape images usually make the most comfortable puzzles on a phone turned sideways;
- step back so the whole set fits with a little space round it, rather than cutting off the knobs;
- dials, station names, fretwork, knobs and speaker cloth make wonderful puzzles, because every piece has a little detail;
- large areas of plain wall, plain brown Bakelite or dark shadow are tricky, so crop them or pick fewer pieces;
- if your phone saves photos in another format, such as HEIC, change the camera setting to "most compatible" or export a copy as JPG;
- remove location data from the photo before you upload it, especially if it was taken at someone's home. On most phones, you can switch it off in the share options or the camera settings.
Privacy and an optional PIN
The puzzle is private: it's shared as a link, not posted on a public board. You can add an optional PIN so that only someone who knows it can open the puzzle, which is useful if you're sending it to the museum's volunteer email list. Even so, treat the photo as if it might be forwarded, and keep people who are working, visitors, children, call signs, security features and anyone's details out of it. Puzzlify doesn't use your photos to train AI or share them with third parties.
Say it's from you
Radio people know more than most about signals and noise, and volunteers are rightly wary of unexpected links, which arrive alongside fake invoices and "your account will be suspended" scams. Say who it's from and what it is in the message itself: "This is a little jigsaw of the wireless set you brought back to life for my mum, with a note at the end. It's from me, and it's safe to open." For someone who doesn't use email much, print the link as a QR code inside a card.
Piece counts
| Pieces | Photo idea | Best for |
|---|---|---|
| 24 | a single knob, a valve or a cat's whisker, close up | a quick solve, or a first puzzle |
| 48 | one Bakelite set against a plain wall, simple and bold | one clear subject, a relaxed solve |
| 80 | the glowing dial with its list of faraway stations | a busier image with lots of detail |
| 130 | a walnut cabinet with its fretwork front and speaker cloth | a detailed photo for a keen puzzler |
| 252 | a whole shelf or gallery of sets, in all their colours | a long, slow solve for a long-serving volunteer |
| 48 or 80 | the restored family set playing on its shelf | a thank-you to the restorer from the family |
If you're not sure, 48 or 80 pieces suits most people on a phone. Plain walls and dark shadows get tricky at high piece counts, so start lower if the image has large areas of one colour.
How to send it
Upload the photo, pick a piece count, write your note and preview it. When you're happy, publish the link and send it by email or message, print the link or a QR code inside a card, or ask the volunteer coordinator or the museum secretary to pass it on. Start at Puzzlify's photo puzzle maker.
If you're sending one puzzle to a whole workshop team or a group of guides, the optional leaderboard lets everyone see who finished first. Some groups enjoy the rivalry, a little like the friendly argument over who can tune in the most distant station; others would rather solve it quietly. For a puzzle sent to one person, or after a bereavement, leave it off.
Note examples
- "To Graham: four Saturdays, eighty years of silence, and then Grandma's wireless played again. Thank you."
- "To the workshop team: I'll never forget the valves beginning to glow and the first crackle of a voice. Thank you for your patience and your care."
- "To Ruth: thank you for the school visit. My son still turns the lights off to show us how the dial glows."
- "To the archive team: thank you for finding the photograph of Grandad's radio shop. We finally saw his name over the door."
- "To my husband: thank you for the Saturdays, the smell of solder and the most patient restorer in the county."
(Change the names, and keep anything personal or identifying out of a puzzle that may be shared.)
Honest pricing
Making and previewing a puzzle is free in your browser. You only pay when you publish the link to send it: one credit is EUR 3.99, three credits are EUR 8.99, and Plus is EUR 14.99 a year for ten credits, which can make sense if you want to thank the guides, the restorers and the archivists separately. The person you send it to doesn't need an account or an app; they just open the link in a browser.
This is a digital jigsaw you play on a screen. It isn't a cardboard puzzle in the post, a printed product, a raffle prize or a public puzzle board, and it isn't connected to any radio museum, radio society, broadcaster, radio station or heritage body. It's also not puzzlify.io (a chess site), Puzzlit, Puzzly or Puzzify, which are different things.
Ideas that are not a puzzle
Honestly, some of the best thank-yous for radio museum volunteers cost nothing at all:
- a handwritten card, left at the front desk to pass on;
- a thank-you in the museum's newsletter, the local paper or the community magazine, naming the restorers, the cabinet volunteers, the archivists, the shop team and the treasurer as well as the guides;
- nominating a volunteer or the museum for a local volunteering or heritage award, if your area has one;
- joining the museum, paying the membership, or sponsoring a restoration or a new display case;
- sharing family photographs, old radio licences, listings magazines or memories of listening with the archive or the oral history project, if you have them and they'd be welcome;
- offering your time: a shift on the front desk, help at the radio fair or a hand with the dusting, once you've joined properly and done any training the group needs;
- coming back, bringing friends, and buying a book or a postcard in the shop;
- a tin of good biscuits for the workshop, handed over when the sets are switched off and the soldering iron has cooled, which never fails.
If a photo puzzle feels right as well, choose a glowing dial, a Bakelite set, a walnut cabinet or a row of knobs, take it from the visitor area with permission, keep people who are working, visitors, children, call signs, security features and anyone's details out of the frame, pick a piece count that suits them, and write the note in your own words. You can make a free preview here and decide later whether to send it.
Whatever you send, the most important part is the sentence that sounds like you, written to the person who tested every part before they dared to switch it on, who polished a cabinet until you could see the room in it, and who turned an old box from a grandmother's sitting room back into a voice, so that on some dark winter evening a child can watch a dial begin to glow, turn a knob past Hilversum and Luxembourg, and hear the whole world come crackling in.
Written by the small team behind Puzzlify (info@puzzlify.app). Not legal, electrical, high voltage, mains safety, capacitor, valve or tube, battery, radio licensing, amateur radio, transmitter, aerial or antenna, work at height, chemical, radioactive material, asbestos, soldering, workshop safety, object conservation, health and safety, first aid, safeguarding, copyright, photography permission, employment or data protection advice. Check your own group's guidance on gifts, photos, the sets, the workshop, the electrics, children and people's details.