Reverse Engineering a U.S. Navy Vacuum Tube Thing
26:09
Vintage Hewlett Packard Test Equipment Extravaganza
29:21
Restoring an HP-120B Oscilloscope from 1961!
16:24
Trying to Reverse Engineer a Vacuum Tube Integrated Module
22:19
Restoring an HP 521A Frequency Counter: Part 1
27:53
Reverse-engineering an IBM Mainframe Vacuum Tube Pluggable Module
13:51
Stackable Generator
23:47
Removing the Rotating Drum Memory from the Bendix G15
11:40