A manual of the principal instruments used in American engineering and surveying :
manufactured by W. & L.E. Gurley.
APA Citation
W. & L.E. Gurley. (1905). A manual of the principal instruments used in American engineering and surveying: manufactured by W. & L.E. Gurley. 39th ed. Troy, N.Y.: W. & L.E.Gurley.
MLA Citation
W. & L.E. Gurley. A Manual of the Principal Instruments Used In American Engineering And Surveying: Manufactured by W. & L.E. Gurley. 39th ed. Troy, N.Y.: W. & L.E.Gurley, 1905.
Warning: These citations may not always be complete (especially for serials).