Tub Buster
Well-known member
- Joined
- Sep 5, 2013
- Messages
- 53
I see this book has been mentioned before, but here is a link for free downloads. 394 pages, written in 1920.
https://archive.org/details/recoveringprecio00geeguoft
Recovering precious metals from waste liquid residues; a complete workshop treatise, containing practical working directions for the recovery of gold, silver, and platinum from every description of waste liquids in the jewellery, photographic, process workers', and electroplating trades
https://archive.org/details/recoveringprecio00geeguoft