- Back
-
Title: Current Indicator (No 214) marked "Kapp and Crompton's" pate [Go to resource]
Description: Current Indicator (No 214) marked "Kapp and Crompton's" patent License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1899-20 Go to resource More Like this...
[Edit] - Back