Record

Reference numberCLP/20/61
LevelFile
TitlePaper, 'Of a telescope stand set up in the yard of Gresham College' by Robert Hooke
Date17th century
DescriptionRelates how a telescope stand was set up in the middle of the quadrangle at Gresham College. Includes Hooke's sketch of a 36 foot refractor telescope by Richard Reeve of Long Acre in a tube of 40 feet mounted in the courtyard of Gresham College, the tube being braced to prevent it bending under its own weight, and suspended from a mast by a system of pulleys and raised or lowered by a winch at the base. The suspension of the pulley could move around the mast, according to the direction required of the telescope. A rest for the eye end resembles an artist's easel, while at the foot of the page is a series of micrometers designed by Christopher Wren.

Hooke writes in the accompanying account as though it is a shared resource: there had been contributions to its design by different people in his circle and it was used by other astronomers as well as himself.

Subject: Astronomy
Extent9p
FormatManuscript
Physical descriptionInk on paper
NotesOne figure 'of a way to manage a long telescope' has been removed from the volume and is in an envelope on the same Archive Store shelf.
Access statusOpen
Related records in the catalogueCLP/20/61/1
CLP/20/61/2
CLP/20/61/3
Fellows associated with this archive
CodeNameDates
NA8242Hooke; Robert (1635 - 1703); natural philosopher1635 - 1703
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