Induction Apparatus
notes: label: Description
content: The “NELSON / INDUCTION APPARATUS / U.S.C.&G.S. / NO. M2” inscription on the top of the box refers to James H. Nelson, a U.S. Coast & Geodetic Survey scientist who specialized in terrestrial magnetism.
label: Description
content: Ref: James H. Nelson, “An Electromagnetic Method of Determining Induction Coefficients of Magnetometer Magnets,” <i>Terrestrial Magnetism</i> 43 (1938): 159.
label: Description
content: James H. Nelson, Louis Hurwitz, and David G. Knapp, <i>Magnetism of the Earth</i> (Washington, D.C., 1962; reprint 1964).
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: U.S. Department of Interior, U.S. Geological Survey
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1982.0671.09
label: catalog number
content: 1982.0671.09
label: accession number
content: 1982.0671
objectType: label: Object Name
content: induction apparatus
physicalDescription: label: Measurements
content: case: 4 7/8 in x 27 9/16 in x 8 5/16 in; 12.3825 cm x 70.00875 cm x 21.11375 cm
label: Measurements
content: overall in case: 4 7/8 in x 27 1/2 in x 7 7/8 in; 12.3825 cm x 69.85 cm x 20.0025 cm