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Thank you so much for sharing this, Mark. I posted the original film of this a few years ago, but it appears that the YouTube account has been deleted. I’m grateful the Antique Wireless Association has published this. Thank you for the tip!
Many thanks to SWLing Post contributor, Charlie (W4MEC), who shares this fascinating film which documents the production and calibration of crystals in 1943. I had no idea of the amount of labor and attention to detail this process required–an absolutely fascinating process:
UPDATE (08/09/2022): the YouTube account associated with this film has been deleted by the owner.
It’s a Radio Set SCR-203 (Phillip pack saddle mounted). Consisted of: BC-228 transmitter – Transmitter, 2.1-3.1 MHz, 2 ea VT-25 & VT-50, Part of SCR-203 BC-227 receiver – Receiver, 2.1-3.1 MHz, Part of SCR-203 BC-235 control box – Control box, Part of SCR-203
The unit was powered by various battery packs and a GN-35 hand cranked generator and used a 25 ft whip antenna (Image: W.J. Schweitzer collection)
Thanks so much for identifying the equipment, Richard!
My buddy, Eric (WD8RIF) noticed a rather unique find on eBay this morning: a “new in box” Signal Corps Western Electric BC-454-B receiver. While BC-454-Bs are far from rare, it is certainly a treat to find one with its original box and in mint condition.
I have no plans to bid on this unit–I’m sure the ending bid will be a little too rich for me–but it will be fun to see how high the price climbs. Some day, I hope to acquire a functioning BC-454 of my own. (Santa…are you listening?)