#2078 Astro Bússola MKII
26:04
EEVblog #1352 - Aircraft Transponder TEARDOWN!
13:37
#2115 74LS373 Output Port Added to 68HC11 Microprocessor
14:34
Calibrating and Using A Sextant
27:06
Playing Music on the Oldest Running Computer in America!
1:17:39
Making a tool: TIR adjustable chuck
11:06
Astrocompass Mk.II: Tools for Northern Navigation
18:14
Francis Barker M73 compass – instructions
41:49