690 ADAPTOR FOR BARLOW LENS FOR ASTRONOMICAL TELESCOPE

Made:
1960-1960
part of archive:
Drawings and Technical Information Produced by W.F. Stanley and Co. Ltd.

A folder containing tracings relating to an adaptor for use with Barlow Lens on Astronomical Telescopes.

Details

Extent:
10
240
360
Identifier:
STAN3/13/08
Access:
Open Access

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