Accession No

2501

Brief Description

Atwood machine for illustrating the mechanics of uniformly accelerated motion, French, c. 1820

Origin

France

Maker

Class

mechanics

Earliest Date

1820

Latest Date

1820

Inscription Date

Material

wood; metal (brass, steel); rope (string)

Dimensions

height 2300mm; base 493 x 502mm

Special Collection

Provenance

Purchased from A. Brieux, Paris, France, 02/1979. Assistance from Preservation Fund for purchase.

Inscription

Description Notes

Atwood machine for illustrating the mechanics of uniformly accelerated motion, French, c. 1820.

Wooden base, octagonal stand, vertical rule (divided 0 - 180 in cms, top to bottom, numbered by 20, graduated to 1), platform and ball at top. Second pendulum: steel rod, steel top pallet to move bell hammer, steel knife edge in brass housing, brass-covered bob with brass rating nut. Steel bearing for pendulum on brass bracket. Upper brass bracket carries brass and steel linkage to hammer and bell and separately to release upper weight platform (brass) on vertical rule. Lower adjustable brass platform with wooden mount on vertical rule and intermediate brass guides for weights, adjustable, with wooden mount. Brass pulley-wheel with 4 brass anti-friction wheels in brass and wood mount on platform above. Four wooden levelling screws in base. 8 brass weights, length of string.

condition good

References

Events