Pair of glass 'Porro' type erecting prisms

Made:
1920-1950 in Europe
maker:
Unknown

Pair of 'Porro' type erecting glass prisms (90º of reflection), unsigned, European, 1920-1950.

Details

Category:
Optics
Object Number:
1955-324
Measurements:
overall (each): 21 mm x 43 mm x 21 mm, Wt. overall 0.055kg
type:
component - object
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • optical instrument component
  • prism - optical
  • erecting prism
  • roof prism
credit:
Banfield, Arthur Clive
status:
Permanent collection

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