Transit telescope

Made:
1770 in Strand
maker:
Jeremiah Sisson
Transit telescope

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Transit telescope

Details

Category:
King George III
Object Number:
1927-1692
Materials:
brass and steel
Measurements:
arm: length 1140 mm
brackets: length 135 mm
semicircle: diameter 650 mm
arm side piece: length 855 mm
hook: length 150 mm
black bracket: length 165 mm
vernier arm: length 365 mm
trunnions: length 1145 mm
telescope: length 1030 mm
telescope: diameter 74 mm
radius scale: length 310 mm
sides of mounts: length 137 mm
type:
transit instrument
credit:
King’s College London