Three prism objects in brass mounts

PART OF:
Three prism objects in brass mounts
Made:
1850-1924
maker:
Unknown
set of Porro twin prisms in brass demonstration mount, unsigned

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License

set of Porro twin prisms in brass demonstration mount, unsigned
Science Museum Group
© The Board of Trustees of the Science Museum

set of Porro twin prisms in brass demonstration mount, unsigned, United Kingdom, 1850-1924.

Details

Category:
Optics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1997-1965/1
Materials:
glass and brass (copper, zinc alloy)
Measurements:
overall (Set of two Porro prisms): 42 mm x 50 mm x 42 mm
type:
porro prism
credit:
Wellcome Trustees