Dr. GLEICHEN, ALEXANDRETraité d'Optique Géométrique. Published by the Revue d'Optique théorique et instrumentale, Paris, 1922, In-4 (27 x 19 cm) . Edition translated from German by Colonel Benoit, with 251 figures in the text and a supplement written especially by the author on submarine periscopes. 624 pages. Hardcover; cloth spine, with red title label. Provenance: former L.P. Clerc collection, then Jean-Pierre Sudre (stamp and label).

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