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Image
Has Image
2
Non-Commercial Use
2
Category
Optics
2
Maker
Barr and Stroud Limited
2
Barr and Stroud Ltd.
2
Object type
spectrum interference filter
2
Place
Glasgow
2
Glasgow, Glasgow, Scotland, United Kingdom
2
Material
glass
2
metal
2
Date
From
To
filter
Circular graded spectrum interference filter (140mm dia)
1970-1973
Strip of graded spectrum interference filter
1970-1973