image MS_243_10_002r
Image number: RS.16638
Credit: ©The Royal Society

Watch mechanism

Date

15 November 1675

Creator

John Flamsteed (1646-1719, British), Astronomer

Object type

Archive reference number

Manuscript page number

f10 p2r

Material

Dimensions

height (page): 310mm
width (page): 200mm

Subject

Description

A figure of a spring applied to an old watch by Sir Jonas Moore, in which by moving the pointer at 'p' the speed of the watch may be adjusted. This was included in a letter by John Flamsteed to Richard Towneley dated 15 November 1675.

Transcription

The spring is a very thin one.
Transcribed by the Making Visible project

Related Fellows

John Flamsteed (1646-1719, British), Astronomer
Jonas Moore (1617-1679, British), Mathematician
Robert Hooke (1635-1703, British), Natural philosopher

Associated place

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