Illustration from Paper entitled "Of a Telescope stand set up in the yard of Gresham College" Cl.P/20/61

The sketch depicts 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 Wren.


  • Title: Telescope at Gresham College
  • Creator: Robert Hooke (1635-1703)
  • Date Created: 1664
  • Location Created: Gresham College London, United Kingdom
  • Rights: Copyright The Royal Society, 2018
  • Medium: Ink, Paper
  • Scientist: Robert Hooke (1635-1703)
  • Manufacturer: Richard Reeve (c.1640-1680)
  • Invention: Telescope
  • Field: Astronomy
  • Catalogue Reference: Cl.P/20/61

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