Record

Reference numberCLP/20/12/2
Alternative reference numberCLP/20/12 p1
LevelItem
TitleDiagram 'An instrument for finding the force of falling bodies' by Robert Hooke
Date18 February 1663
DescriptionA figure accompanying Robert Hooke's paper titled 'A description of the Instrument for finding the force of falling bodys. by Mr Hook.', which was read at a meeting of the Royal Society on 18 February 1663. Shows the instrument described, with the following labels:

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.

Accompanying text reads: 'ABC. The Pedestall for the scales.
DE. A Double beame between the two cheeks of which the steel ball F falls from a determinate height upon the steel plate G. And if by the at fall it moves the Double beame and the Counterpoise H lying the scale IK it gives the small spring L a free passage to slip between the end of the Double beame and the stay M by which meanes there is given a certain signe whether the falling body has movd the scale and counterpoise soe far as to admitt the very thin edg of ye spring. The rest of the Contrivance is obvious enough from the sceme it self.'

Subject: Physics, Scientific Instruments
Extent1p
FormatDiagram
Physical descriptionInk on paper
Access statusOpen
Related records in the catalogueCLP/20/12
CLP/20/12/2
Fellows associated with this archive
CodeNameDates
NA8242Hooke; Robert (1635 - 1703); natural philosopher1635 - 1703
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