Model of 4-way rack and pinion valve, 1902.

Made:
1902
Model of 4-way rack and pinion valve, 1902.

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Model of 4-way rack and pinion valve, 1902.
Science Museum Group
© The Board of Trustees of the Science Museum

Model of 4-way rack and pinion valve, 1902.

Details

Category:
Gas Industry
Object Number:
1952-246
type:
valve, model
credit:
Bryan Donkin Co. Ltd.