Refracting telescope of 6 4/16-inch aperture and 74 inch focal length with stand and clock drive

Refracting telescope of 6 4/16-inch aperture and 74 inch focal length with mahogany veneer wooden tube by G & S Merz, Munich, 1867-1871. Mounted on German equatorial stand with iron pier and clock drive by Thomas Cooke & Sons, York, dated 1871. Acquired in the 1860s by W. G. Lettsom and sold to Sir Cuthbert E Peek in 1882 who employed Charles Grover to make observation at Rousdon Hall, Devon until 1921. Given to the University of Durham in 1925 before returning to Rousden Hall in 1970, now established as All Hallows school.

Details

Category:
Astronomy
Object Number:
2001-404
Materials:
iron, brass, pine, mahogany and glass
Measurements:
overall (estimate) assembled: 3000 x 1500 x 500 mm
type:
telescope - refracting
credit:
Rousdon Estate Limited

Parts

Objective lens for the Peek Telescope

Objective lens for the Peek Telescope

Objective lens for the Peek Telescope, 6 1/4-inch aperture and 74 inch focal length by G and S Merz, Munich, later refigured by Cooke, Troughton and Simms Limited, 1867-1871.

Measurements:
overall: 50 x 205 mm
Materials:
brass , glass and complete
Object Number:
2001-404 Pt1
type:
components and objective lenses
Image ©
The Board of Trustees of the Science Museum
Tapering pillar base for equatorial mounting of Peek telescope

Tapering pillar base for equatorial mounting of Peek telescope

Cast iron tapering pillar base for the equatorial mounting by Thomas Cooke and Sons, dated 1871 for the Peek Telescope by G & S Merz, Munich, 1867-1871.

Measurements:
overall: 940 mm 590 mm,
overall (estimate): 1200 x 1000 mm
Materials:
cast iron and complete
Object Number:
2001-404 Pt3
type:
components and solar telescopes
Image ©
The Board of Trustees of the Science Museum
Upper section of tapering pillar with polar axis of equatorial mounting

Upper section of tapering pillar with polar axis of equatorial mounting

Cast iron upper section of tapering pillar with polar axis of equatorial mounting by Thomas Cooke and Sons, dated 1871 for the Peek Telescope by G & S Merz, Munich, 1867-1871.

Measurements:
overall: 1030 mm x 330 mm x 590 mm,
Materials:
iron , brass and incomplete
Object Number:
2001-404 Pt4
type:
components and mounts (telescopes)
Image ©
The Board of Trustees of the Science Museum
Components of Peek telescope equatorial mounting

Components of Peek telescope equatorial mounting

Cross-axis declination shaft with setting circle and conterweight from German equatorial mounting by Thomas Cooke and Sons, dated 1871 for the Peek Telescope by G and S Merz, Munich, 1867-1871.

Measurements:
overall: 920 mm x 790 mm x 450 mm,
Materials:
iron , brass and complete
Object Number:
2001-404 Pt5
type:
components , astronomical instruments and refracting telescopes
Image ©
The Board of Trustees of the Science Museum
Driving clock and components from Peek equatorial mounting

Driving clock and components from Peek equatorial mounting

Driving clock with centrifugal governor and various components from German equatorial mounting with pier by Thomas Cooke and Sons, York, dated 1871 for the Peek Telescope by G and S Merz, Munich, 1867-1871.

Measurements:
overall: 370 mm 240 mm,
Materials:
brass (copper, zinc alloy) , glass , iron , mahogany (wood) and pine (wood)
Object Number:
2001-404 Pt6
type:
components , astronomical instruments and refracting telescopes
Image ©
The Board of Trustees of the Science Museum
Metal support with graduated ring for the refracting telescope.

Metal support with graduated ring for the refracting telescope.

Tapering metal support tube with brass fittings and a circular plate with graduations at one end. Partially painted blue.

Measurements:
overall: 640 mm 380 mm,
Materials:
brass (copper, zinc alloy) and metal (unknown)
Object Number:
2001-404 Pt7
type:
telescope - refracting
Image ©
The Board of Trustees of the Science Museum
Structural part for refracting telescope

Structural part for refracting telescope

Structural part for the refracting telescope. Painted blue with a brass nameplate saying it was made by Thomas Cooke & Sons, York, dated 1871.

Measurements:
overall: 530 mm x 240 mm x 380 mm,
Materials:
brass (copper, zinc alloy) and metal (unknown)
Object Number:
2001-404 Pt8
type:
telescope - refracting
Image ©
The Board of Trustees of the Science Museum
Metal plate component for refracting telescope

Metal plate component for refracting telescope

Oblong Metal plate component of refracting telescope with a central circular hole and 6 small holes for fixings.

Measurements:
overall: 10 mm x 460 mm x 160 mm,
Materials:
metal (unknown)
Object Number:
2001-404 Pt9
type:
telescope - refracting
Image ©
The Board of Trustees of the Science Museum
Box of small components for refracting telescope

Box of small components for refracting telescope

Box of various components and fitting for the refracting telescope. This includes nuts and bolts, brass fittings eg eyepiece, a winding handle, a piece of wood and a wheel for a pulley.

Measurements:
overall: 320 mm x 330 mm x 250 mm,
Materials:
wood (unidentified) , brass (copper, zinc alloy) and metal (unknown)
Object Number:
2001-404 Pt10
type:
telescope - refracting
Image ©
The Board of Trustees of the Science Museum