Title
telescope and collimator
Identifier
ABDNP:200691a
Description
A long brass instrument with one telescope end and one collimator end on brass stand. Adjustable entrance window, 0-50 scale divisions of 1 unit, marked every 10. Also adjustable gap between 2 components, scale from 0 to 100, divisions of 1 unit, marked every 10.
Date
1800
Format
diam. (telescope barrel) 45mm, length 520mm, height (inc. stand) 400mm
metal, glass
Creator
Unknown