MAKING A REPRODUCTION COSSOR TUBE
1:12:19
MAKING AN OSCILLION TRANSMITTER TUBE
24:22
Making: Huge Nixie Tube Finally Glowing! - Project H #19
1:17:35
making a deforest spherical audion tube
57:56
RESTORING A 1921 CLAPP EASTHAM RADIO
55:46
QUICK RESTORE OF SMALL BROWN RADIO
14:42
Most Satisfying Machines and Ingenious Tools
33:03
New Triode Design and Build
17:12