Searching for:
Refine Results
Collection Type
Classification
Maker
- The Siemens and General Electric Railway Signal Company Limited 13
- General Railways Signal Company 8
- The Westinghouse Brake and Saxby Signal Company 7
- Allgemeine Elektricitats Gesellschaft 6
- Westinghouse Electric and Manufacturing Company 5
- Ferranti 5
- International Business Machines Corporation 5
- The General Electric Company Limited 4
- Venner Time Switches Limited 4
- Commodore Electronics Limited 2
Subject
Production Place
Production Date
to
Image Orientation
colour