Cay (William Dyce)
Title: Lenses For Ships' Lights. Communication by William Dyce Cay.
Seller ID: 53162
Paris: Imprimerie Generale Lahure, 1900. Original printed wrappers. An 8-page pamphlet. Issued as the VIII International Congress on Navigation. Paris 1900. Third Section. Some splitting to upper spine, a few folds and a bit of wear to wrapper edges, a nice copy otherwise. The short text, with one diagram, is printed in both English and French.