X-Ray Tube
date: label: associated dates
content: 1978 02
name: label: dealer
content: C. W. & R. M. Bowen Co.
label: maker
content: Gundelach, Emil
notes: label: Description
content: Two electrode cold cathode x-ray tube, with a side tube filled with a powder probably used for gas regulation. An inscription reads “Gundelach / Made in Germany / C. W. & R. M. Bowen Co. / Providence, R. I.” USP No. 807673, DRP No. 169566, and GRP No. 103100. The Bowen firm was incorporated in 1902, with the purpose of making, buying and selling electrotherapeutic and x-ray equipment.
label: Description
content: Ref: Emil Gundelach, “X-Ray Tube,” U.S. Patent 807,673 (Dec. 19, 1905).
label: Location
content: Currently not on view
place: label: place made
content: United States: Rhode Island, Providence
label: Associated Place
content: United States: New York, New York City
label: associated place
content: United States: Rhode Island, East Providence, Rumford
setName: label: See more items in
content: Medicine and Science: Medicine
creditLine: label: Credit Line
content: Gift of Philip Batchelder, M.D,
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1978.0121.37
label: catalog number
content: 1978.0121.37
label: accession number
content: 1978.0121
objectType: label: Object Name
content: X-Ray Tube
label: Object Name
content: tube, x-ray
physicalDescription: label: Physical Description
content: glass (overall material)
label: Measurements
content: overall: 30 cm x 50.5 cm x 20.5 cm; 11 13/16 in x 19 7/8 in x 8 1/16 in