Linkdump: September 2017

Email this to someoneShare on FacebookTweet about this on TwitterShare on Google+Share on TumblrPin on PinterestShare on RedditShare on StumbleUpon

2 thoughts on “Linkdump: September 2017

  1. My parents had a Handbook of Chemistry and Physics from the 20s. It includes instructions for mixing photo developing chemicals, silvering mirrors, and making crosshairs from spider silk, along with the usual tables.

Leave a Reply to WestfW Cancel reply

Your email address will not be published. Required fields are marked *
(Also, be nice. Unkind comments will be removed without hesitation.)