Interesting links

The List:
https://github.com/trimstray/the-book-of-secret-knowledge/blob/master/README.md

Polaroid camera that prints onto thermal paper:
https://www.dpreview.com/articles/5018721347/this-diy-polaroid-camera-prints-your-photos-onto-thermal-paper

Handcrank Generator:
https://www.electroschematics.com/9784/hand-crank-generator/

306 Degrees Shanghai Picture:
http://sh-meet.bigpixel.cn/?from=groupmessage&isappinstalled=0&fbclid=IwAR0SRVVvtRwQxcTNUBmIp5rknAFr-DAIvlgFZskVLdA8kKXYdleVYjeF0i4