Torsion Pendulum

Torsion Pendulum

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Description
The “Knott, Boston” inscription on one leg of this instrument refers to L. E. Knott, an apparatus firm that began in business in 1895. Knott termed it an Improved Sabine’s Torsion Pendulum for determining the moment of torsion of a wire and the moment of inertia of a ring.
Ref: Wallace Clement Sabine, A Student’s Manual of a Laboratory Course in Physical Measurements (Boston, 1893), pp. 30-32.
L. E. Knott, Catalogue of Physical Instruments (Boston, 1912), p. 129,
Location
Currently not on view
Object Name
torsion pendulum
maker
L. E. Knott Apparatus Company
place made
United States: Massachusetts, Boston
Measurements
overall: 7 in x 5 3/8 in x 4 1/2 in; 17.78 cm x 13.6525 cm x 11.43 cm
overall: 24 1/8 in x 13 5/8 in x 11 1/8 in; 61.2775 cm x 34.6075 cm x 28.2575 cm
ID Number
PH.315752
catalog number
315752
accession number
217544
subject
Science & Scientific Instruments
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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