A Treatise on the Richards Steam-Engine Indicator with directions for its use.
New York: D. Van Nostrand Publisher, 1873. 8vo. 155 pp. Corners and spine ends bumped and worn. Wear and small tear to spine ends, to edges of covers. Rubbing and soiling to covers. Book is lightly shaken, hinge split to preface page. 23 b/w diagrams at rear and some b/w illustrations throughout. Some slight brown staining to a few pages, but most pages are nice and clean. Illustrations are clean. "In the following pages all necessary information is furnished concerning the instrument and its application, and such instruction is given to those who are not already skilled in the use of the Indicator, as will enable them to employ it to the best advantage." Good Paperback (Item ID: 61527)