Relay computer ep. 1 - Basic logic gates

I'm building a relay computer. This episode is about fundamental logic gates and constructing a simple test PCB.

Music:
Accralate - The Dark Contenent by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100341
Artist: http://incompetech.com/

Photos:
Wikimedia commons
Joseph Henry: https://en.wikipedia.org/wiki/Joseph_Henry#/media/File:Joseph_Henry_(1879).jpg
Edward Davy: https://en.wikipedia.org/wiki/Edward_Davy#/media/File:Edward_Davy.jpeg
Konrad Zuse: https://en.wikipedia.org/wiki/Konrad_Zuse#/media/File:Konrad_Zuse_(1992).jpg

Видео Relay computer ep. 1 - Basic logic gates канала Clickety Clack