Therapeutic Lamp
date: label: date made
content: ca 1930
label: Associated Date
content: 1985 12 26
notes: label: Description
content: An inscription on this device reads “Leucodescent / TRADE MARK / Therapeutic Lamp / SPEAR-MARSHALL COMPANY / GENERAL / SALES AGENTS / 209 STATE ST. CHICAGO. ILLINOIS, U.S.A.” The form was on the market, ca. 1903-1915.
label: Description
content: Ref: Spear-Marshall Co., The Leucodescent Therapeutic Lamp (1906).
label: Description
content: Edwin H. Spear and John B. Marshall
label: Description
content: Ref: Harley B. Coger and John B. Marshall, “Therapeutic Lamp,” U.S. Patent 838,950 (Dec. 18, 1906), assignors to Spear-Marshall Co.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Medicine
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1985.0967.03.01
label: accession number
content: 1985.0967
label: catalog number
content: 1985.0967.03.01
objectType: label: Object Name
content: Lamp, Leucodescent
label: Other Terms
content: Lamp, Leucodescent; Medicine
physicalDescription: label: Measurements
content: overall: 10 cm x 16.5 cm x 16.5 cm; 3 15/16 in x 6 1/2 in x 6 1/2 in
label: Measurements
content: overall: 19 1/4 in x 12 1/2 in x 12 1/2 in; 48.895 cm x 31.75 cm x 31.75 cm