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History of Science Museum

Transit Altazimuth Instrument, by William Harris & Co., London, c. 1816-39

Inventory Number 50136


Subject
Telescopes
Item type
Object
Provenance
Not ascertained
Primary inscriptions
"W. Harris & Co. 50 Holborn London" engraved on horizontal circle.
Physical material
Copper Alloy
Glass
Object type
Telescope
Dimensions
Height: 393mm
Inventory No
50136

Description

Tribrach base with levelling feet; azimuth circle with tangent motion, Vernier, two bubble levels; four column framework supporting horizontal axis of altitude circle, Vernier and tangent motion; double frame vertical circle.