Scope and ContentReference book: Solar Ephemeris for 1967 and Surveying Instrument Manual. Published by Keuffel & Esser Co., N.Y., copyright 1966. Softcover, 3-1/2" x 6" high, 192 pp., diagrams, illustrations. Previous owner's name and address on back cover; name on front cover. Worn and creased as would be typical from field use. 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. K&E celebrated its centennial in 1967 and it notes the occasion with a paragraph on page [1] titled "Into Century II..." Keuffel & Esser Co. main office and factories were in Hoboken in the period when this item was made.