standard magnet
Inventory Number2012-1-0050
ClassificationMagnet
Subject
Maker
Rawson Electrical Instrument Company
1918 - 1968
Cultural Region
Place of Origin
Dimensions13 × 8.6 × 8.6 cm (5 1/8 × 3 3/8 × 3 3/8 in.)
Material
Signedplate on top: TYPE 721 / STANDARD MAGNET / R in shield (Rawson logo)
plate on bottom: TRAWSON ELECTRICAL INSTRUMENT CO., INC. / CAMBRIDGE, MASS. U.S.A.
Inscribedplate at center: No. 11870 / 965 GAUSSES
FunctionA magnet consisting essentially of a coil of insulated wire wrapped around a soft iron core that is magnetized only when current flows through the wire.
website.
website.
Rawson Electrical Instrument Company
Date: circa 1930
Object number: 0428
Rawson Electrical Instrument Company
Date: circa 1939
Object number: 0568
Rawson Electrical Instrument Company
Date: 1960s
Accessories: the probe 2012-1-0036 plugs to this instrument
Object number: 2012-1-0035
