gaussmeter model D-79
Date: 1950-1960
Inventory Number: RS0738
Classification: Magnetometer
Maker: Dyna-Labs Inc. (founded ca. 1950)
User: Division of Engineering and Applied Sciences, Harvard University (1946 - 2007)
Cultural Region:
Place of Origin:
Dimensions:
33 x 17 x 13 cm (13 x 6 11/16 x 5 1/8 in.)
Description:
Measuring instrument consisting of a black rectangular case with a front panel and meter scale behind a window.
Front panel with several knobs and switches as follows:
- Two small knobs on the upper left and right marked "METER ADJ." and "CALIBRATE ADJ.".
- A large knob with triangular pointer with scale .1 to 3.
- Three knobs in bottom under "ZERO SET", each knob market "FINE", "COARSE" and "FINE".
- ON/OFF switch on upper right.
- Red indicator light on upper left.
Meter behind rectangular window, with two arched scales in Kilogauss, first one in black, 0-10, second one in red underneath, 0-30.
Case with horizontal slit vents, 4 small feet.
Front panel with several knobs and switches as follows:
- Two small knobs on the upper left and right marked "METER ADJ." and "CALIBRATE ADJ.".
- A large knob with triangular pointer with scale .1 to 3.
- Three knobs in bottom under "ZERO SET", each knob market "FINE", "COARSE" and "FINE".
- ON/OFF switch on upper right.
- Red indicator light on upper left.
Meter behind rectangular window, with two arched scales in Kilogauss, first one in black, 0-10, second one in red underneath, 0-30.
Case with horizontal slit vents, 4 small feet.
Signedin white on front panel: GAUSSMETER / MOD. D-79 SER. 348 / DYNA-LABS, INC. / GARDEN CITY, N.Y.
on face of meter: KILOGAUSS / Dyna (DL logo) Labs.
on face of meter: KILOGAUSS / Dyna (DL logo) Labs.
Inscribedstamped in yellow on side: ACCOUSTICS
label on front panel: PROPERTY OF / Division of Engineering & Applied Physics / HARVARD UNIVERSITY
label on front panel: PROPERTY OF / Division of Engineering & Applied Physics / HARVARD UNIVERSITY
FunctionInstrument used to measure the strength of a magnetic field (more precisely, the magnetic flux density), in kilogauss.