Telescope and micrometer
Date
1759
Creator
Benjamin Cole (1718 - 1783, British) , Engraver
Object type
Library reference
R62588
Material
Dimensions
height (print): 215mm
width (print): 270mm
width (print): 270mm
Subject
Content object
Description
Studies of observational apparatus for astronomy. Figure 1: Dollond micrometer. Figure 2: astronomical telescope by James Short, shown fitted with the micrometer. With details of the mechanical arrangements.
The accompanying article provides details of the instruments and the advantages of their construction and use, including: ‘No motion of the observer, or his instrument, unless it be so great as to throw the object out of the field of the telescope, can disturb the observation or render it inaccurate’.
Plate illustrating the paper: ‘The description and method of using Mr. Dollond’s new catadioptric micrometer, as executed under the direction of James Short, M.A., F.R.S., by J. Bevis, The Gentleman’s Magazine, and historical chronicle…[edited] by Sylvanus Urban, v.29, (1759), pp.72-74.
Inscribed above: ‘Gen. Magazine’. Inscribed below: ‘B.Cole Sculpt.’
James Short (1710-1768) British maker of optical instruments, was elected a Fellow of the Royal Society in 1737.
John Bevis (1693-1771) British astronomer, was elected a Fellow of the Royal Society in 1765.
The accompanying article provides details of the instruments and the advantages of their construction and use, including: ‘No motion of the observer, or his instrument, unless it be so great as to throw the object out of the field of the telescope, can disturb the observation or render it inaccurate’.
Plate illustrating the paper: ‘The description and method of using Mr. Dollond’s new catadioptric micrometer, as executed under the direction of James Short, M.A., F.R.S., by J. Bevis, The Gentleman’s Magazine, and historical chronicle…[edited] by Sylvanus Urban, v.29, (1759), pp.72-74.
Inscribed above: ‘Gen. Magazine’. Inscribed below: ‘B.Cole Sculpt.’
James Short (1710-1768) British maker of optical instruments, was elected a Fellow of the Royal Society in 1737.
John Bevis (1693-1771) British astronomer, was elected a Fellow of the Royal Society in 1765.
Associated place