Model of Allen Improvement for Balanced Valves

Model of Allen Improvement for Balanced Valves

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Location
Currently not on view
Object Name
valve gear, model
patent model, valve, balanced
patent date
1875-09-21
inventor
Allen, John F.
associated place
United States: New York, New York City
Measurements
overall - from catalog card: 7 in x 9 in x 7 1/2 in; 17.78 cm x 22.86 cm x 19.05 cm
overall: 6 3/4 in x 8 1/2 in x 8 1/2 in; 17.145 cm x 21.59 cm x 21.59 cm
ID Number
MC.336440
catalog number
336440
accession number
1978.0053
patent number
167,865
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Work and Industry: Mechanical and Civil Engineering
Data Source
National Museum of American History
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