Uploaded February 2025 | Updated September 2026, 4 hours ago
Sonora, founded in 1906, gave us many beautiful radios such as this one from 1939. What was their original product when they were founded back in 1906? Hint: the bell in the logo is a clue.
Oh, this is a tough one and I never would have guessed it. Sonora was founded--originally--to make chimes. Yes, chimes--like for chiming clocks. That's what the bell is doing there in the logo. They branched into phonographs in 1907 and eventually radios and even televisions. But in the transistor era they made only TWO transistor radio models.
And it's not certain they even actually made these transistor radios at all. Though they weren't just a brand name--they were a manufacturer, with a factory and everything, they did not make this particular radio. TravLer did. We see variants of it branded TravLer, Truetone, and CBS. I remember as a kid I built the crystal radio as instructed in the World Book Encyclopedia. This was in the "R's," under "Radio." They showed you how to build a crystal set radio. So how could I not? Anyway, there was shown there a transistor radio. By that time transistor radios were small, inexpensive, and generally made in Japan. I wondered what that clunker was shown in the World Book. When I began to collect transistor radios years later, I thought it would be fun to find that radio. The photo credits the picture to CBS Radio. Probably the guy who wrote the article worked for CBS or something. Shows you the cozy relationship between corporate America and what we naively assumed to be the God's honest truth of the encyclodedia. Anyway, it was HARD to find this CBS radio.
And it wasn't easy to find this Sonora either. I was delighted to be able to locate two of them--one even in the box. This is a good illustration of the typical boxes that came with American-made transistor radios. While many Japanese radios came in nice little velvet or satin-lined, ribbon clad gift boxes, American radios typically came in this sort of plain corrugated cardboard box, diecut from one of two pieces of cardboard, which if laid flat would reveal quite an intricate and confusing design, kind of like the gerrymandered political district you are probably living in. But when folded up makes a simple, yet efficient package. I'm not taking this black radio out of the box--I figure the less I use it, the fresher this box will stay.
Here are the "Instructions for Operation" of this Sonora radio. TravLer had learned by this time to just leave the brand name off of the instructions so they had only to print one version for use with all the different brands made of this "Power-Mite" transistor radio. Yes, they were all Power-Mites--and some of them said "Super 6" on their fronts. These instructions list the model numbers for the six different color combinations in which this model could be had. Presumably this applied to all the brands-- TravLer, Truetone, Sonora, etc., but that theory's never been tested because nobody's been able to find enough of these radios to confirm it. Yes, they are fairly rare, owing, I think, to the fact that they were probably sold in Radio shops rather than in general merchandise stores that would have given them more wide distribution. The exception to this is, of course, the Truetone, which was sold in Western Auto stores coast to coast. And that would account for why we probably see more of these as a Truetone than any other brand. Still rare though, even as a Truetone. Some will take issue with my use of the word "rare," though. These sticklers for rectitude don't even consider a meteorite rare because there are more than one of them now on the earth. But if I want something--and I can't find it--that's rare enough for me.
Looking inside, we see that the battery label calls for the Wizard battery, among others. This is similar to TravLer's use of the generic instructions. Wizard was a Truetone brand and Western Auto wanted the Wizard battery to be on the battery replacement list. TravLer then just put it on the labels for all the brands and used the "Power Mite" name for the radio rather than each individual brand. We see the circuit board and though it might look quite primitive to us today, this was the height of hi tech in its day. TravLer opted to mount their chassis with the board side out, protecting the parts themselves from the curious hands of customers. I think I have an original TravLer battery for this radio, the kind of 9-volt that looks like a C-cell battery but has a snap-on terminal on either end. Yeah, there it is. It's curious that TravLer made batteries yet didn't list their own brand among the five replacements given on the radio's label. We see Eveready, Burgess, Ray-O-Vac, RCA, and Wizard, but not TravLer.
The Sonora TR-282B. The internet tells me that Sonora's last year in business was 1957, if you can believe the internet--so that dates this radio as no later than that. It could be earlier--1956--or maybe even 1955, but I doubt it. '56 or '57 sounds about right.
Sonora, founded in 1906, gave us many beautiful radios such as this one from 1939. What was their original product when they were founded back in 1906? Hint: the bell in the logo is a clue.
Oh, this is a tough one and I never would have guessed it. Sonora was founded--originally--to make chimes. Yes, chimes--like for chiming clocks. That's what the bell is doing there in the logo. They branched into phonographs in 1907 and eventually radios and even televisions. But in the transistor era they made only TWO transistor radio models.
And it's not certain they even actually made these transistor radios at all. Though they weren't just a brand name--they were a manufacturer, with a factory and everything, they did not make this particular radio. TravLer did. We see variants of it branded TravLer, Truetone, and CBS. I remember as a kid I built the crystal radio as instructed in the World Book Encyclopedia. This was in the "R's," under "Radio." They showed you how to build a crystal set radio. So how could I not? Anyway, there was shown there a transistor radio. By that time transistor radios were small, inexpensive, and generally made in Japan. I wondered what that clunker was shown in the World Book. When I began to collect transistor radios years later, I thought it would be fun to find that radio. The photo credits the picture to CBS Radio. Probably the guy who wrote the article worked for CBS or something. Shows you the cozy relationship between corporate America and what we naively assumed to be the God's honest truth of the encyclodedia. Anyway, it was HARD to find this CBS radio.
And it wasn't easy to find this Sonora either. I was delighted to be able to locate two of them--one even in the box. This is a good illustration of the typical boxes that came with American-made transistor radios. While many Japanese radios came in nice little velvet or satin-lined, ribbon clad gift boxes, American radios typically came in this sort of plain corrugated cardboard box, diecut from one of two pieces of cardboard, which if laid flat would reveal quite an intricate and confusing design, kind of like the gerrymandered political district you are probably living in. But when folded up makes a simple, yet efficient package. I'm not taking this black radio out of the box--I figure the less I use it, the fresher this box will stay.
Here are the "Instructions for Operation" of this Sonora radio. TravLer had learned by this time to just leave the brand name off of the instructions so they had only to print one version for use with all the different brands made of this "Power-Mite" transistor radio. Yes, they were all Power-Mites--and some of them said "Super 6" on their fronts. These instructions list the model numbers for the six different color combinations in which this model could be had. Presumably this applied to all the brands-- TravLer, Truetone, Sonora, etc., but that theory's never been tested because nobody's been able to find enough of these radios to confirm it. Yes, they are fairly rare, owing, I think, to the fact that they were probably sold in Radio shops rather than in general merchandise stores that would have given them more wide distribution. The exception to this is, of course, the Truetone, which was sold in Western Auto stores coast to coast. And that would account for why we probably see more of these as a Truetone than any other brand. Still rare though, even as a Truetone. Some will take issue with my use of the word "rare," though. These sticklers for rectitude don't even consider a meteorite rare because there are more than one of them now on the earth. But if I want something--and I can't find it--that's rare enough for me.
Looking inside, we see that the battery label calls for the Wizard battery, among others. This is similar to TravLer's use of the generic instructions. Wizard was a Truetone brand and Western Auto wanted the Wizard battery to be on the battery replacement list. TravLer then just put it on the labels for all the brands and used the "Power Mite" name for the radio rather than each individual brand. We see the circuit board and though it might look quite primitive to us today, this was the height of hi tech in its day. TravLer opted to mount their chassis with the board side out, protecting the parts themselves from the curious hands of customers. I think I have an original TravLer battery for this radio, the kind of 9-volt that looks like a C-cell battery but has a snap-on terminal on either end. Yeah, there it is. It's curious that TravLer made batteries yet didn't list their own brand among the five replacements given on the radio's label. We see Eveready, Burgess, Ray-O-Vac, RCA, and Wizard, but not TravLer.
The Sonora TR-282B. The internet tells me that Sonora's last year in business was 1957, if you can believe the internet--so that dates this radio as no later than that. It could be earlier--1956--or maybe even 1955, but I doubt it. '56 or '57 sounds about right.




![The hideous 1957 DuMont transistor radio
If I werent, in my collecting habits, a completist, .. I wouldnt have a radio like this. But I AM a completist and theres just nothing to be done about that now.
DuMont is an old name in the electronics business. And a big name. To help them sell the television sets they were pioneering in the 1930s, they formed in 1940 their own television network.
Yes, DuMont Presents the DuMont Television Network.. DuMont competed successfully with the likes of NBC and CBS in television broadcasting for sixteen years. What happened to the DuMont network in the mid-1950s is a long, convoluted story that ends, decades later, in a network we now know as Fox.
The DuMont company that is to say DuMont Laboratories was founded in New Jersey in 1931. They are thought of these days only in terms of television TV broadcasting, and the making of TV sets. For example as of this moment, Wikipedia doesnt even mention that DuMont made radios. Well, Wikipedia doesnt know everything.
Looking like the sort of radio that would appeal to a pipe-smoking guy with a moose head hanging in his den, this is the DuMont 1210. All these straps and snaps and rivets and brads give the thing a real luggage kind of feel. Its overall look is somewhere between a baseball glove and a steamer trunk. Boxy would be the word for it, I guess, if you wanted to use just one word.
The dial here is just about the most fashionable thing here. And practical too, since its underpainted, the dial numbers wont wear off because, of course, they are literally painted on the underside. The rest of the decoration on the front is gold foil stamping which DOES wear off. Its not worn too badly here, but this style of applying lettering and logos was not terribly permanent. I think it may actually last longer on leather like this than it does on plastic. This radio might look better if the gold decoration on the front DID wear off. Heres the logo itself, just so you can fully appreciate what Im saying. This logo, and in fact the entire design of the front of this radio, is what designers would typically characterize as..well.. hideous.
Inside, the label says Du Mont model 1210 portable transistor radio, 9 volts, six 1-1/2 volt batteries, Allen B. Du Mont Laboratories, Bloomfield Avenue, Clifton, New Jersey. And here it shows the placement of the six transistors. This thing over the battery compartment says To change batteries, remove this cover & replace six C size batteries Eveready No. 935 or Burgess No. 1 or equivalent. Caution: Do not leave depleted batteries in case; [in case of what?] replace all six batteries at same time.
It looks like some of those batteries have leaked over the years. Havent we all. Its not easy to see much in here. Theres a circuit board. I see some General Electric transistors, in the top hat style. Those are the ones that look like Abraham Lincoln. Seen here wowing the audience in an Irving Berlin Revue. On stage, theyre in fine form, but in the radio, theyre in sockets, making them easy to replace. Although the promise of the transistor was that it would be a more-or-less permanent device, manufacturers werent quite sure how permanent they would be in use, so many of the earliest transistor radios were made with the transistors in sockets for easy replacement.
From 1957, The DuMont 1210 portable transistor radio. In my collecting, I seek out things that are of interest to me in three different categories things that interest me for their technology, for their historical significance, and for their beauty. Two out of three... The hideous 1957 DuMont transistor radio](https://i.ytimg.com/vi/7IoBKMsviUo/mqdefault.jpg)





