Geometric diagrams and watch mechanism
Date
1675
Creator
Unknown, Engraver
Creator - Organisation
The Royal Society, Publisher
Object type
Article identifier
Material
Technique
Dimensions
height (page): 213mm
width (page): 150mm
width (page): 150mm
Subject
Content object
Description
4 figures from issue 112 of Philosophical Transactions of the Royal Society.
Figures 1-3. Diagrams reproduced by Francis Vernon from Jean Picard’s Account of the Measure of the Earth.
Figure 4. Profile view of the mechanics of a pocket watch designed by Christian Huygens, showing the upper plate, spiral spring and wheels.
Figures 1-3 illustrate ‘A breviate of Monsieur Picarts account of the measure of the Earth’ in Philosophical Transactions of the Royal Society, vol. 10, issue 112 (20 March 1675). Drawings originally reproduced by Francis Vernon in a letter to Henry Oldenburg, first read at a meeting of the Society on 11 January 1672, available in Letter Book Original of the Royal Society, LBO/5/33, and copied into Letter Book Copy LBC/5/118.
Figure 4 illlustrates ‘Extracts of three letters: The one of M. Hugens, about a new invention of very exact and portative watches, serving to find longitudes both at sea and Land: The Second, of Dr. Swammerdam, touching an unusual rupture of the mercentery: The third, containing some observations of Mr. Lister about the star-stones; together with Mr Rays annotations thereon’ in Philosophical Transactions of the Royal Society, vol. 10, issue 112 (20 March 1675).
Figures 1-3. Diagrams reproduced by Francis Vernon from Jean Picard’s Account of the Measure of the Earth.
Figure 4. Profile view of the mechanics of a pocket watch designed by Christian Huygens, showing the upper plate, spiral spring and wheels.
Figures 1-3 illustrate ‘A breviate of Monsieur Picarts account of the measure of the Earth’ in Philosophical Transactions of the Royal Society, vol. 10, issue 112 (20 March 1675). Drawings originally reproduced by Francis Vernon in a letter to Henry Oldenburg, first read at a meeting of the Society on 11 January 1672, available in Letter Book Original of the Royal Society, LBO/5/33, and copied into Letter Book Copy LBC/5/118.
Figure 4 illlustrates ‘Extracts of three letters: The one of M. Hugens, about a new invention of very exact and portative watches, serving to find longitudes both at sea and Land: The Second, of Dr. Swammerdam, touching an unusual rupture of the mercentery: The third, containing some observations of Mr. Lister about the star-stones; together with Mr Rays annotations thereon’ in Philosophical Transactions of the Royal Society, vol. 10, issue 112 (20 March 1675).
Related fellows
Christiaan Huygens (1629 - 2006, Dutch) , Natural Philosopher
Associated place
