Air pump
Date
1754
Creator
Unknown, Engraver
Object type
Library reference
R62588
Material
Technique
Dimensions
height (print): 215mm
width (print): 280mm
width (print): 280mm
Subject
Description
Diagram of an air pump, with figures of components, designed by John Smeaton.
The accompanying article gives an explanation of the various working parts, with the conclusion that: ‘A pump of this kind, when clean and in order, has been found to rarify the air above 2,000 times, whereas the common ones, tried by this gage, have not been found to exceed 150 times’.
Plate illustrating the paper: ‘An account of a new invented Air-Pump’, John Smeaton. The Gentleman’s Magazine, and historical chronicle…[edited] by Sylvanus Urban, v.24, (1754) pp.173-174.
Inscribed above: ‘Gent. Mag. April 1784’.
John Smeaton (1724-1792), British civil engineer, was elected a Fellow of the Royal Society in 1753.
The accompanying article gives an explanation of the various working parts, with the conclusion that: ‘A pump of this kind, when clean and in order, has been found to rarify the air above 2,000 times, whereas the common ones, tried by this gage, have not been found to exceed 150 times’.
Plate illustrating the paper: ‘An account of a new invented Air-Pump’, John Smeaton. The Gentleman’s Magazine, and historical chronicle…[edited] by Sylvanus Urban, v.24, (1754) pp.173-174.
Inscribed above: ‘Gent. Mag. April 1784’.
John Smeaton (1724-1792), British civil engineer, was elected a Fellow of the Royal Society in 1753.
Related fellows
John Smeaton (1724 - 1792, British) , Civil engineer
Associated place