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E (Stack)Chance, James T.
"Dioptric Apparatus in Lighthouses for the Electric Light"
With an abstract of the discussion upon the paper. Edited by James Forrest. Excerpt Minutes of Proceedings of the Institution of Civil Engineers. vol. lvii. Session 1878-79. Part iii. London: Published by the Institution. 1879. Bound with J. T. Chance: On Optical Apparatus Used in Lighthouses.
[1974-42]
1879