Interior of Pre-WWI factory workshop of the Société des Ateliers d'Aviation Louis Bréguet in the town of Douai. At right, viewed slightly from above, is a Bréguet Type U.2 under construction.
ca. France, 1913.
Source: Baron Porographe, Douai, no photo number; via Library of Congress, Box 86, L'Aerophile Collection.