1:09:37

Nixie Tube Digital Display for Receivers

47:18

Sneak Peak and Tear Down of a Simpson Genescope 480

1:16:33

Neat Electronic Device from 1939 Explained with Restoration

13:37

Dad tests the Retio (retro nixie tube clock!)

16:06

I MADE A 24Hr CLOCK WITH JUST UNISELECTORS AND NIXIE TUBES

19:33

1968 HOW VACUUM TUBES are Made: English Electric Valve Co EEV Television Radio Radar CRT Cameras

15:34

machine à souder simple à partir de bougies d'allumage à la maison ! Extrêmement simple et utile

1:05:39

Design and Build a Buffer Circuit, Tube and Transistor