image MS_776_503-504
Image number: RS.17404
Credit: ©The Royal Society

Weather clock


9 December 1663


Unknown, Artist


Sir Christopher Wren (1632-1723, British), Architect

Object type

Archive reference number

Manuscript page number




height (page): 287mm
width (page): 377mm



A clock designed to record the combined effect of temperature and pressure changes by a weather-glass, and wind directions via a wind vane. This was one of various inventions by Christopher Wren for his ‘meteorological history’ for the study of human health.

This image is copied from RBO/2i/322a.

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 2 December 1663, ‘Dr. Wilkins acquainted the Society, that he had received an answer from Dr. Christopher Wren [26 November 1663, EL/W3/4], concerning his promised weather-clock, together with the scheme thereof. The amanuensis was ordered to draw the scheme in the great against the next meeting, at which it should be considered, together with the letter describing it’ (Birch 1:337).

At the meeting on 9 December 1663, ‘Dr. Wren’s description of his weather-clock, consisting of two wings, that may be added to the pendulum clock, was read, and ordered to be registered, together with the scheme of it’ (Birch 1:341).

Related Fellows

Sir Christopher Wren (1632-1723, British), Architect

Associated place

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