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New Equipment
ANOTHER CHARGER
Known as the Valley Radio Battery Charger and made by the Valley Electric Company, St. Louis, Mo.
ADAPTER FOR UV-199
This adapter, made by the Eisemann Magneto Corporation, Brooklyn, N.Y., permits the useof the popular 3-volt tube in the standard socket
EZ-TOON VERNIER
DIAL
This dial gives very fine adjustment with any condenser, movement of the small dial producing a lesser movement of the main dial. Manufactured by The Butler Manufacturing Co., Indianapolis, Ind.
A STORAGE PLATE BATTERY
For the plate of any tube. Made by the Electric Storage Battery Co., Philadelphia, Pa.
PENBERTHY /(-POLE PHONE Made by the Penberthy Injector Company, Detroit, Mich. This departure from standard head-phone construction is designed to give a more uniform magnetic distribution on the diaphragm, and is built to withstand a higher voltage than other types
COMBINATION TIP-JACK AND BINDING POST
It takes standard sizes of phone tips, and wire from No. 10 to No. 14. "Fork" or "spade-tip" terminals, as well asothersizesof wire can also be connected in the usual manner. The Globe Phone Mfg. Co., Reading, Mass.
TURNEY 3-COIL MOUNTING FOR SPIDERWEBS Sold by the Tristan Sales Corporation, New York
FROST SHOCK-ABSORBER STANDARD SOCKET
Between the sub-panel and the bases of the three sockets in this Herbert H. Frost, Inc. product are cushions of sponge rubber, to offset microphonic noises experienced with some types of tubes. Herbert H. Frost, Inc., Chicago, III.