Schmidt Magnetometer

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This type of magnetometer measures the vertical component of the earth's magnetic force. This form was designed by Adolph Schmidt in Germany around 1915 and widely used for prospecting purposes. This example is marked "MADE BY G. R. & D.C. PITTSBURGH, PA M-9." It came to the Smithsonian in 1964.

Ref: John A. Fleming, ed., Terrestrial Magnetism and Electricity (New York, 1939), pp. 112, 120-127.

Currently not on view
Gulf Research & Development Corp.
Place Made
United States: Pennsylvania, Pittsburgh
overall: 45 1/2 in; 115.57 cm
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
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
ID Number
accession number
catalog number
Credit Line
Gulf Research & Development Corp.
Science & Scientific Instruments
Science & Scientific Instruments
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Data Source
National Museum of American History