Star plate measuring machine (X-Y) with eyepiece l

Made:
1900-1902 in York and Dublin
maker:
Howard Grubb
and
Cooke, Troughton and Simms Limited

Star plate measuring machine (X-Y) with eyepiece labelled Cooke, Troughton and Simms, specially made by Sir Howard Grubb to measure plates taken with the Radcliffe Astrograph (twin 18-inch & 24-inch refractor) for parallax observations. Originally at Radcliffe Observatory (1901-1938), Oxford, then University of London Observatory (1938-1984), Mill Hill, London.

Details

Category:
Astronomy
Object Number:
1983-1488
Materials:
brass, steel, wood
Measurements:
overall (machine): 1450 x 750 x 1250 mm
type:
plate measurer - astronomical
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
credit:
University of London Observatory
status:
Permanent collection

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