Furst, Arthur. Das Weltreich der Technik. Ullstein, Berlin, 1926. 9x12", 533pp, illus, numerous foldouts (some up to 5 panels in color). This is a historic encyclopedia of German technology in naval vessels and aircraft, both HTA and LTA. Wonderful illustrations showing great pride in German technical developments. About fair-good condition, shaken, covers bumped. A joy to browse! Very heavy; extra postage may be necessary.