Origin of Modern Calculating Machines

Chicago: Western Society of Engineers, 1921. First Edition. Hardcover. Good+. First Edition. Hardcover. Reasonably important early overview of various machines. Light shelf/edge wear, wear at the head, ex libris (plates at front endpages and discrete markings), tips through, light tonight to textblock, else tight, bright, and unmarred. Black pebbled cloth boards, embossed lettering and decorative elements. 8vo. 196pp. Illus. (b/w plates).