DISCUSSION. IMPROVEMENTS IN DIOPTRIC APPARATUS FOR...

Minutes of the Proceedings 1899 / 01 Vol. 137; Iss. 1899

DISCUSSION. IMPROVEMENTS IN DIOPTRIC APPARATUS FOR LIGHTHOUSES.

WHITE, SIR W, DOUGLASS, W T, MALLOCK, A, AMOR, W, AYRES, A, EDWARDS, E P
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Volume:
137
Language:
english
Journal:
Minutes of the Proceedings of the Institution of Civil Engineers
DOI:
10.1680/imotp.1899.18974
Date:
January, 1899
File:
PDF, 335 KB
english, 1899
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