- Back
-
Title: "Valley" battery charger no [Go to resource]
Description: "Valley" battery charger no.167239 incorporating a vibrating contact rectifier, about 1925 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1925 Source: Science Museum Identifier: 1971-138 Go to resource More Like this...
[Edit] - Back