Russian noser insulator
By George Sukhoff; posted December 15, 2011
View Original: Click to zoom, then click to magnify (700 x 568) 179KB
|
State Electrotechnical Trust (ГЭТ) "noser" insulator (1920s). |
|
|
State Electrotechnical Trust (ГЭТ) "noser" insulator (1920s). |