- The Illustrated Official Journal (Patents): Abridgments of Specifications, numerically arranged: Volume XXXIX, part IV (39 pt 4). October to December 1918; Specifications 119,043 to 121,610.

Patent Office, 1919. First Edition. Hardcover. Clean hardback tightly bound in red cloth with gilt titles, red sprink;ed edges, cloth has minor rubbing at corners, no inscriptions. 1004 + xiv pages (paginated 2595 - 3598), illustrations throughout. Absolutely fascinating, many early aviation and motoring patents are included. Very heavy book so additional postage may be requested. Very Good with no dust jacket.