Model of Allen Improvement for Balanced Valves
date: label: patent date
content: 1875-09-21
name: label: inventor
content: Allen, John F.
notes: label: Location
content: Currently not on view
place: label: associated place
content: United States: New York, New York City
setName: label: See more items in
content: Work and Industry: Mechanical and Civil Engineering
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MC.336440
label: catalog number
content: 336440
label: accession number
content: 1978.0053
label: patent number
content: 167,865
objectType: label: Object Name
content: valve gear, model
label: Object Name
content: patent model, valve, balanced
physicalDescription: label: Measurements
content: 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
label: Measurements
content: 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