Schmidt Magnetometer
name: label: maker
content: Gulf Research & Development Corp.
notes: label: Description
content: This magnetometer measures the vertical component of the earth's magnetic force. The form was designed by Adolph Schmidt in Germany around 1915 and widely used for prospecting purposes. The "MADE BY G. R. & D.C. PITTSBURGH, PA M-9" inscription refers to the Gulf Research & Development Corp. That firm donated it to the Smithsonian in 1964.
label: Description
content: Ref: John A. Fleming, ed., <i>Terrestrial Magnetism and Electricity</i> (New York, 1939), pp. 112, 120-127.
label: Location
content: Currently not on view
place: label: Place Made
content: United States: Pennsylvania, Pittsburgh
topic: label: Subject
content: Science & Scientific Instruments
label: Subject
content: Science & Scientific Instruments
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Science & Mathematics
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content: Measuring & Mapping
creditLine: label: Credit Line
content: Gulf Research & Development Corp.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: AG.MHI-P-8745
label: accession number
content: 272511
label: catalog number
content: 8745
objectType: label: Object Name
content: Schmidt magnetometer
physicalDescription: label: Measurements
content: overall: 45 1/2 in; 115.57 cm
label: Measurements
content: overall; magnetometer: 45 1/2 in x 7 1/2 in x 6 13/16 in; 115.57 cm x 19.05 cm x 17.30375 cm
label: Measurements
content: overall; brass triangle: 7/8 in x 23 3/8 in x 20 3/8 in; 2.2225 cm x 59.3725 cm x 51.7525 cm