Wilkins patent 1859 throughway valve

Wilkins patent 1859 throughway valve for steam engine (Patent

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Wilkins patent 1859 throughway valve for steam engine (Patent
Science Museum Group
© The Board of Trustees of the Science Museum

Wilkins patent 1859 throughway valve for steam engine (Patent 22 Mar 1859 No.728)

Details

Category:
Motive Power
Object Number:
1862-172
type:
valve
credit:
Wilkins, W.P.