1. Bray, Lieutenant R. J.

Pivots and Caps in Compasses.

London, His Majesty’s Stationery Office, 1917. 16 x 25cm. 78 pages, with 88 illustrations. Original hardcover with gilt lettering. Mild signs of wear to boards and spine, outer margins of pastedowns and endpapers slightly waterstained. Otherwise in very good condition. Very Rare !