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Author Topic: Crystal manufacture in the 1940s  (Read 5929 times)

The Mercian

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Crystal manufacture in the 1940s
« on: September 14, 2024, 1335 UTC »
I recently stumbled across this video on YouTube:

https://youtu.be/fKprsCNLUlE?si=nvAyhu-w_rxcyn-o

Apologies if people have already seen it, but it was new to me and absolutely facinating how labour intensive the process was back then.

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JRC NRD-515 & NRD-545
SDRplay RSP2Pro & RSPdx
Various wire antennas & ATUs

https://en.wikipedia.org/wiki/Mercia
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