Radio Broadcast (May-Oct 1925)

Record Details:

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RADIO BROADCAST ADVERTISER 827 1 2 3 — better color — lasting luster lower free sulphur no discoloration — higher softening point — no warping RUBBER is the best Material electrically Jbr Radio Panels j This is a known fact, but — Due to discoloration in certain makes of hard rubber panels after a period of time, some people have the idea that age impairs their high electrical qualities* An excess of the sulphur necessary in compounding hard rubber will cause discoloration and does ultimately lower electrical efficiency, Qoodrich Silvertown Hard Rubber pan* els will not discolor or lose their electrical efficiency* They contain less than one per cent of free sulphur* Distinctly superior to other hard rubber panels* Specify them for maximum range and selectivity. Also the following for greatest all around satisfaction — Goodrich V.T. Sockets — Goodrich Variometers unwound — Radiophone Ear Cushions — Spaghetti Tubing — Battery Mats. THE B. F. GOODRICH RUBBER COMPANY ESTABLISHED 1870 Akron, Ohio Goodrich Rubber Radio products " Best in the Long Run 99 It Tested and approved by Radio Broadcast