Phonic motor clock type 1-B, patent no. 415758, se

Made:
1937
maker:
Muirhead and Company Limited

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Phonic motor clock type 1-B, patent no. 415758, serial no. 82137, by Muirhead and Co. Ltd., April 1937

Details

Category:
Telecommunications
Object Number:
1989-1167
type:
phonic, phonic, clocks and phonic motors clocks and phonic motors
credit:
Muirhead Vactric Components Limited