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History of Science Museum

Gregorian Reflecting Telescope In Case, by H. Shuttleworth, London, Late 18th Century

Inventory Number 48718


Acknowledgement: © History of Science Museum, University of Oxford, inv.48718

Subject
Telescopes
Item type
Object
Physical material
copper alloy
Wood
Glass
Felt
Object type
Telescope
Inventory No
48718

Description

Instrument sits on a folding tripod base. Tripod sits beneath a central rounded pillar with hinged pivot joint. Instrument is a cylindrical tube with a screw off lens cap at either end. A plane mirror is mounted of the interior of one end of the tube. A screw mounted to the side of the tube controls location of plane mirror.

two eyepieces of different lengths. Both have removable pin-hole viewing lenses. Longer eyepiece has a separate darkened lens attachment.

Instrument is stored in a wooden box with two swing clasps. Box has inbuilt felt lined supports, for holding instrument and accessories. Two removable wooden supports lock the telescope and accessories in place.