Ancillary Equipment, Wireless and Electrical Parts, British and American
Box containing : Radiotron US Army/US Navy JAN 805 VT143 valve (boxed) (3 parts) & Mullard RG1-240A valve, serial 7750, packed and boxed with instructions (8 parts) & Mullard RG1-240A valve, serial 7751, packed and boxed with instructions (8 parts) & broken electronic valve & Instruction sheet for T-30-V Micophone & SC3536 valve (packed) (3 parts) with label HMSO Sample Code-035-0081, IWM item No. 70. Tender Ref. BSP4G/B103291 & two Zenith V1 ceramic fuses packed together (3 parts), one marked 10C/9816 and the other 50000 OHMS & box of 4 wireless crystals (5 parts) : North American Phillips Co, Inc, Freq 5740 and Freq 4190 and unknown makers Ref. No. 10X 5420 Serial No. 68 APR 1944, and Ref. No. 10X 5200 Serial No. 57 APR 1944 & wireless crystal DC-16 Freq KC 7500 C.P. & General Electric Thermocouple Heating Element 75A FORM 7 PART No. 7449 Made in USA & hand microphone Model T17 3083-CH1-42 with PL68 plug & plastic headset speaker with attached wire.