M-S-A Hydrocyanic Acid Gas Detector
date: label: patent date
content: 1955-12-27
name: label: maker
content: Mine Safety Appliances Co.
notes: label: Description
content: An inscription on this device reads “M-S-A Hydrocyanic Acid Gas Detector / U.S. Pat. No. 2,728,639 / Mine Safety Appliances Company / Pittsburgh 8, Penna / Made in U.S.A.”
label: Description
content: Ref: Paul McConnaughey, “Detection of Cyanides,” U.S. Patent 2,728,639 (Dec. 27, 1955), assigned to Mine Safety Appliance Co.
label: Description
content: Charles D. Jaffe, Dohrman H. Byers, and Andrew D. Hosey, eds., Encyclopedia of Instrumentation for Industrial Hygiene (Ann Arbor, 1956), pp. 166-167.
label: Location
content: Currently not on view
place: label: place made
content: United States: Pennsylvania, Pittsburgh
setName: label: See more items in
content: Medicine and Science: Medicine
label: See more items in
content: Health & Medicine
creditLine: label: Credit Line
content: Gift of American Conference of Governmental Industrial Hygienists
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1986.0837.11
label: accession number
content: 1986.0837
label: catalog number
content: 1986.0837.11
label: patent number
content: US2728639A
objectType: label: Object Name
content: Hydrocyanic acid gas detector
physicalDescription: label: Measurements
content: overall: 9 1/4 in x 5 in x 3 3/4 in; 23.495 cm x 12.7 cm x 9.525 cm
label: Measurements
content: overall: 11 1/8 in x 6 in x 3 1/4 in; 28.2575 cm x 15.24 cm x 8.255 cm