A Manual of the Principal Instruments used in American engineering and Surveying, 21st Edition (1874)
Troy, NY: W. & L.E. Gurley, 1874. Small Octavo. Frontispiece, [3]-234p. 12 plates, in text illustrations. Dating their instruments before 1909 is difficult but this edition greatly expanded the size of the 1868 edition published after the Civil War and it shows the improved instruments used such as the plates..... More