Rochon micrometrical telescope by Lenoir, early 19

Made:
1801-1832 in Paris
maker:
Etienne Lenoir

Rochon micrometrical telescope by Lenoir, early 19th century. A refracting telescope fitted with a sliding rock crystal (calcite) calibrated for angular measurements 0-36 arcminutes.

Details

Category:
Astronomy
Object Number:
1992-1015
Materials:
brass, glass, leather
Measurements:
tube: 505 x 47 mm
case: 525 x 65 mm
type:
micrometer telescope
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • micrometer - angle
  • double image micrometer
credit:
Tesseract
status:
Permanent collection

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