Watch movement converted from key winding to keyless winding

Made:
1860-1910 in Boston
maker:
E. Howard and Co.
Movement by E. Howard and Co., Boston, no

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Movement by E. Howard and Co., Boston, no
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© The Board of Trustees of the Science Museum

Movement by E. Howard and Co., Boston, no.50319: shows a conversion from "Key winding" to "Keyless and keywinding", 1860-1910

Details

Category:
Time Measurement
Object Number:
1920-559
type:
movement - clockwork
credit:
Mrs J Williamson and Bruno Roberts