Scope and ContentSolar Ephemeris for 1968 and Surveying Instrument Manual. Published by Keuffel & Esser Co., N.Y., copyright 1967. Softcover, 3-1/2" x 6" high, 192 pp., diagrams, illustrations. Extensive pocket size reference book with information including diagrams of equipment and parts lists along with instructions on repairing, adjusting and using the various types of alidades, levels, transits, theodolites, etc. Table of contents plus detailed index at rear. This publication is the last of this annual series to carry Hoboken on the title page. Keuffel & Esser Co. main office and factories were in Hoboken until 1968.