Key switch

Key switch, 'make before break', type 7A, by Muirhead and Co

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Key switch, 'make before break', type 7A, by Muirhead and Co
Science Museum Group
© The Board of Trustees of the Science Museum

Key switch, 'make before break', type 7A, by Muirhead and Co. Ltd., and box

Details

Category:
Telecommunications
Object Number:
1989-1045
type:
keys
credit:
Muirhead Vactric Components Limited