Refracting telescope on portable mounting, 1822

Made:
1822 in London
maker:
Charles Tulley

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Receipt (2 pts) for refracting telescope by Charles Tulley, Islington, London, 1814-1817 for 36 guineas [£37-80].
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Refracting telescope of 3 3/16-inch aperture and 48 inch focal length by Charles Tulley, Islington on an altazimuth mounting with a wooden tripod stand. Accessories include, a diagonal, 5 eyepieces, 5 dark glass filters, a finder telescope and a fitted wooden box for the telescope tube which breaks down into two halves. Puchased by John Lecky an amateur astronomer from the maker in 1822 for 36 guineas [£37-80].

Dated to 1822, this brass telescope was made by the London instrument maker, Charles Tulley. The instrument has a 3¼-inch aperture lens and is mounted on a yoke stand with braced mahogany tripod. To aid the location of objects under study, the telescope is provided with a smaller finder telescope. It is also fitted with a pair of nested drawtube arms to steady the telescope whilst it is moved or stationary. The telescope was originally purchased for 36 guineas (£37-80) by John Lecky and remained in the same family before it was donated to the Science Museum in 1915. Originally supplied with a brass tabletop stand, surviving letters indicate, that a local carpenter made the wooden tripod.

Details

Category:
Astronomy
Object Number:
1915-130
Materials:
brass, glass, mahogany, steel
Measurements:
overall (assembled): 2000 x 1400 x 900 mm
type:
telescope - refracting
taxonomy:
  • disciplines
  • disciplines
  • science
  • natural sciences
  • physical sciences
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • telescope
credit:
Mr John Lecky

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