B65-773 BOOKS. Lot of Four Surveying Manuals. Four copies of W. & L.E. Gurley's Manual of American Engineers' and Surveyors' Instruments, from the 22nd (1876) through 25th (1884) editions. Each is 4-1/2" by 6", approximately 300 pages, including price lists and instructions for using Gurley instruments. Overall wear with some foxing and annotations, but intact. Some pages coming loose in the 25th edition. The originals, not the Astragal reprints. Good & better 60-120