Optical opposite & square, British, 1801-1830

Optical opposite and square by A. Beaulieu, Brussels, 1801-1830.

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Optical opposite and square by A. Beaulieu, Brussels, 1801-1830.
Science Museum Group
© The Board of Trustees of the Science Museum

Optical opposite and square by A. Beaulieu, Brussels, 1801-1830.

Details

Category:
Surveying
Object Number:
1911-154
Materials:
brass (copper, zinc alloy) and glass
Measurements:
overall: 23 mm x 107 mm x 26 mm, .175kg
type:
surveying instrument
credit:
Court, Thomas Henry