Western Union operating room, New York, USA
The Western Union main operating room at the company's New York offices, showing a front view of the switchboard, the pneumatic message system and the mechanical in-house system
Picture No
10006400
Media ID
47155278
Size
5997px x 4282px
(4.6MB)
Credit
Mary Evans Picture Library
Source
Electricity in daily life (1891)
Date
1890
Pick your License
Mechanical Message Operating Pneumatic Switchboard
Features In These Collections
> Contributors > MEP
