Evershed & Vignoles Megger Insulation Tester
Evershed and Vignoles Megger Insulation Tester - Evershed and Vignoles Ltd
Picture No
13898074
Media ID
43687819
Size
2093px x 1501px
(1.9MB)
Credit
© Aviation Ancestry Collection / Mary Evans
Source
Flight magazine - December 18th 1947
Date
1947





























