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B.C & Co Star diagonal

£235
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B.C & Co Star diagonal B.C & Co Star diagonal B.C & Co Star diagonal B.C & Co Star diagonal B.C & Co Star diagonal B.C & Co Star diagonal B.C & Co Star diagonal B.C & Co Star diagonal

B.C & Co Star diagonal

£235

A star diagonal by Broadhurst Clarkson & Co. of London.

With R.A.S. standard 1 1/4 inch thread. Rear plate with 3 adjustment screws.

Marked: STAR with the Broadhurst Clarkson logo (63 Farringdon Rd E C).

Telescope accessory for observing at high altitude and near zenith.