Making Vacuum Tubes (valves) for radios at home

Here’s movie of someone (F2FO) making valves – the amplifying part of a radio – in a home workshop. It’s ingenious, quite clear and very clever.

The video goes from bits of metal and glass to a working radio. The subtitling is in French but that doesn’t hinder understanding, as the presentation is quite professional.

http://paillard.claude.free.fr

Inspiring …