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History of Science Museum

Reflecting Circle, by Troughton, London, Early 19th Century

Inventory Number 25922


Subject
Telescopes
Item type
Object
Makers
Troughton
Provenance
Purchased from Dr. Reginald S. Clay with his collection.
Primary inscriptions
"Troughton 88 London" engraved on index arms.
Physical material
Wood
Copper Alloy
Glass
Felt
Object type
Telescope
Inventory No
25922
Accession Number
1944-1/part

Description

Lattice frame supporting circular limb with fully divided but only partially graduated (150-0-150) silver scale; horizon and index glasses, each with sets of shades; triple index arm with verniers, one with clamp and tangent screws. Sighting tubes and accessories in fitted case.