FYI, The AWA just posted a presentation by Andy Flowers, K0SM, about amateur radio transmitters from the 1920s & early 30s. Andy is a builder of beautiful early transmitters, among other ham radio pursuits like 10GHz and up microwave work.
Here’s the latest blurb from the AWA:
If you were an amateur radio operator 100 years ago, and wanted a transmitter, you had one choice, you built a breadboard transmitter from scratch, often with components you made yourself. Today, some hams still do this, with designs from the early years of ham radio. AWA member Andy Flowers, K0SM, is one of those modern day vintage transmitter breadboarders.
Join Andy as he explains how early radio amateurs built their own breadboard transmitters with handmade parts, and put them on the air without killing themselves (well, most of the time.)
We also have an earlier piece about Andy here:
73, Mark ~AE2EA
Fascinating! Thank you for sharing this, Mark!