image MS_776_347
Image number: RS.17379
Credit: ©The Royal Society

Instrument for finding the force of falling bodies

Date

18 February 1663

Creator

Unknown, Artist

After

Robert Hooke (1635-1703, British), Natural philosopher

Object type

Archive reference number

Manuscript page number

p347

Material

Dimensions

height (page): 320mm
width (page): 200mm

Subject

Description

A figure accompanying Robert Hooke's paper titled 'A description of the Instrument for finding the force of falling bodies', which was read at a meeting of the Royal Society on 18 February 1663.

ABC: pedestal for the scale.
DE: a double beam of a scale, designed to let a steel ball, F, fall from a height onto a steel plate, G.
H: counterpoise on the scale, IK.
L: a small spring with a stay, M, to detect whether the ball has moved the scale.

This figure is a copy from the Register Book Original (RBO/2ii/115; RBO/2i/151). The original drawing by Hooke is at Cl.P/20/12/001. Other copies can be found at RBC/1/339, MS/215/073 and RB/1/20/257.

This volume is another copy of entries of the first two volumes of the Register Book. It was given to Sir Joseph Banks by G. S. Heales Esquire of Doctor's Common on 31 May 1814.

Object history

At the meeting of the Royal Society on 18 February 1663, ‘[Hooke's] account of the force of falling bodies was read, and ordered to be registered’ (Birch 1:195). The text and figure are reproduced in Birch 1:195-97.

This figure was printed in Plate 1 from Robert Hooke, Posthumous Works, ed. by Richard Waller (London: S. Smith and B. Walford, 1705), after p. 126, fig. 1.

Related Fellows

Robert Hooke (1635-1703, British), Natural philosopher

Associated place

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