Old valve radios, cylinder gramophone, and so much more. 14 inch speakers, 250 watt amplifier, musicians spot lights Cd Reproduction and packing equipment as...
Bill   Testing a ballast tube is easy.  It's just a resistor. Use your ohm meter. It's good unless open.   Didn't find Johnson messenger but...
Bill, There are two kinds of ballast tube: One is just a straight resistor. The second is a filament inside a bulb (also known as a baretter). It is iron wire...
Thanks Norm, I opened the ballast tube and 1 wire is loose. Haven't been able to access web page for the Johnson Messenger because it is down for major...
Thanks Peter, I am working on a Zenith and they were famous for metal ballast tubes. I took tube apart and 1 wire was loose. Thanks for the info about the...
Tighten the wire, refill the tube with hydrogen and seal it up! Make sure you get ALL the air out of the tube, else when the wire gets hot there could be a BIG...
Thanks Adrian. That is a big help. Now all I have to do is look thru a bazillian tubes. At least I have them sort of separated. Bill ... From: Adrian Flynn...
Stan, According to the schematic, the zenith part number is 100-37. I checked with Antique Electronics and they could'nt cross with one of theirs. Bill ... ...
Zenith 100-37 is a ballast which drops 49 volts @ 300 ma. It has a jumper between pin #3 and #4. The main resistance element between #3 and #7 with a lamp...
Any possibility you can test this barretter? Look up the Miniwatt valve data book at current regulators 161 to 329, and 1904 to 1954. The barretter should...
From an old TV shop: set of folders covering Zenith TV sets from 1948 to 1953 RCA wall chart showing replacement types for picture tubes, 1971 edition binder...
To pass the time during lulls in fighting, soldiers on the Anzio beachhead during WWII constructed crude crystal radio sets using razor blades in place of...
What will the postage be from your location to Stan Brewer 999 Buckhorn Rd. Wedgefield, S.C. 29168 ? I'll be glad to take them and display them in my Shop! ...
Brian Sorry if this is a double post. My computer crashed when I replied the first time. I made a foxhole radio back in 1959 when I was in 6th grade. As I...
Brian, I made my foxhole radio in 1959 (6th grade). I remember it was from a middle school library book "101 Science Fair projects". As I remember, it was a...
Sorry to hear this David Where are you located? Brian ... From: ANGELO MACCHIA To: radiocollectors@yahoogroups.com Sent: Sunday, May 13, 2012 1:44 AM Subject:...
I have recently purchased an Airline (Wards) 62-99 at an auction. The chassis was missing the tubes and someone had canablized many of the parts in the...
Try our Bid or Buy Auctions. There's only a small final value success fee for sellers. No other charges to set up your own selling store. Sell at Auction or at...
Group - Sound Design Radio - AM/FM 70's Looking for 1/4" knurled 1-1/4" dia. X 1.2 heigh silvered plastic with a black ring inlay and black indicator. I have...
Group - Corrections and additions to the Contents: Sound Design Radio - AM/FM 70's Looking for 1/4" knurled ~1-1/4" dia. X 1/2 height, shaft used to extend and...