- Back
-
Title: Alloy of silver and gold in a plate, such as is used for par [Go to resource]
Description: Alloy of silver and gold in a plate, such as is used for parting. Made by Johnson, Matthey, and Co. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Johnson, Matthey, and Co. (maker) Identifier: 1889-164/1916 Go to resource More Like this...
[Edit] - Back