Scope and ContentSolar Ephemeris for 1917 and other Tables and Data useful to the Surveyor. Published by Keuffel & Esser Co., N.Y., copyright 1916. Softcover booklet, 3-1/8" x 5-3/4" high, 64 pp. plus stiff orange wrappers, diagrams, illustrations. PDF on file. A typical example of this annual publication issued by K&E for circa 80 years. A field reference work, it does include instructional information for use of selected types of instruments. While the cover and title page state New York, K&E had their offices and factory in Hoboken at this time.