"Simplex" external spring steam engine indicator, Type B. In case.

Simplex' external spring steam engine indicator, Type B

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Simplex' external spring steam engine indicator, Type B
Science Museum Group
© The Board of Trustees of the Science Museum

"Simplex" external spring steam engine indicator, Type B. In case.

Details

Category:
Motive Power
Object Number:
1905-28
type:
indicator
credit:
Elliott Brothers (London) Limited