Both types provide filaments with stabilized voltage sup- ply, thus contributing greatly to reliable operation, long component life, and considerably reduced service cost of the equipment. General Purpose Distribution. See the seller's listing for full details. Without dissecting a lot of minutia, we can simply state that these two patents describe what is commonly known as a laminated core neon transformer with a magnetic regulating shunt and a secondary whose midpoint is grounded. Here is a timeline through their fascinating, eight and a half decade history.
Vintage Sola 20-04-030 Constant Voltage Filament Transformer 6.3V 5A
The tube filaments now have regulated voltage, a function a 0A2 regulator tube can not provide. Learning through trial and error is too expensive, and takes too long. I am close to Ohio, single, and nuts, and you pointed out this thing to me! Stepfather of Chicago-born actress Daryl Hannah. I don't recall seeing the characteristic large capacitor on that chassis, but I also don't remember the repair being much more than working on something in the "drawer" area.
Allied Radio & Allied Electronics - 85 Year Catalog Archive
Completely automatic and continuous regulation. A transformer will not increase the output voltage once the laminations are fully saturated. Email Subscription You are not subscribed to this review. The catalog goes into great detail on a variety of their offerings and includes design and construction information as well as citing patent numbers where applicable. Extreme environments found in industrial locations will compromise the performance of a standard power supply. I believe that set is based on the RA design, but I noticed a significant difference between the Crosley version and the original Dumont. Patent was filed by Daley and Goddard on November 11, and granted on December 30,
This is, to some of us, very important in restoration work. Unusual Jefferson tag with footage chart. Was this transformer perhaps a postwar invention? To get an idea of price, do some searches of similar units and work from there based on condition. Your grandchildren will live under Communism!
22 days ago