Refracting telescope of 3 1/4-inch aperture and 45-inch focal length, and components

Refracting telescope of 3 1/4-inch aperture and 45-inch focal length by William Simms, London with later finder, three eyepieces and eyepiece collar in fitted case, missing one eyepiece and equatorial mounting (RAS No.30, Sheepshanks No.4). Presented to the Royal Astronomical Society in 1857 by Miss Ann Sheepshanks sister of the Rev. Sheepshanks. Later given in 1957 to the British Astronomical Association.

Details

Category:
Astronomy
Object Number:
1987-722
Materials:
brass and optics, glass
Measurements:
overall: 1120 x 125 mm
type:
telescope - refracting
credit:
Sotheby's (New Bond St)

Parts

Case for refracting telescope by William Simms

Case for refracting telescope by William Simms

Case for refracting telescope by William Simms, London

Measurements:
overall: 160 x 1140 x 190 mm
Materials:
pine
Object Number:
1987-722 Pt1
type:
components , storage boxes and instruments
Image ©
The Board of Trustees of the Science Museum
Refracting telescope, 3 1/4-inch aperture,45 inch focal length

Refracting telescope, 3 1/4-inch aperture,45 inch focal length

Refracting telescope of 3 1/4-inch aperture and 45-inch focal length by William Simms, London with later finder, three eyepieces and eyepiece collar, missing one eyepiece and equatorial mounting (RAS No.30, Sheepshanks No.4). Presented to the Royal Astronomical Society in 1857 by Miss Ann Sheepshanks sister of the Rev. Sheepshanks. Later given in 1957 to the British Astronomical Association.

Refracting telescope components

Refracting telescope components

Refracting telescope components

Object Number:
1987-722 Pt2/1
type:
components
Part of:
1987-722 Pt2
Refracting telescope components

Refracting telescope components

Refracting telescope components

Object Number:
1987-722 Pt2/2
type:
telescope components
Image ©
The Board of Trustees of the Science Museum
Part of:
1987-722 Pt2