Charles Vernon Boys' Original Gravitational Apparatus, 1889

Made:
1889 in England
designer:
Charles Vernon Boys
Charles Vernon Boys' Original Gravitational Apparatus, 1889 (torsion balance (gravitational); gravitational measurement apparatus)

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Original torsion balance, designed by Charles Vernon Boys, 1889. Fitted with quartz fibre suspension used to make gravitational measurements of the density of the earth.

Details

Category:
Geophysics
Object Number:
1931-942
Materials:
glass, wood (unidentified), quartz, velvet, brass (copper, zinc alloy), rubber (unidentified), lead, textile and sealing wax
Measurements:
overall: 5.52kg
box: 45 mm x 550 mm x 40 mm, ,
instrument: 610 mm x x , 175 mm,
type:
torsion balance (gravitational) and gravitational measurement apparatus
credit:
Boys, Sir Charles Vernon