Gurley Civil Engineers' and Surveyors' Instruments 1896 (1896)
W. and L. E. Gurley · leaf 33
84 W. & L. E. GURLEY, TROY, N.Y. No, 378. Price, as shown, with tripod, $90.00. Our fifteen-inch Level, as shown, has the same arrangement of sockets, tripod, etc., ¢ larger instruments, but no pinion movement to the eye-piece. The leveling head remains att to the spindle, and is packed with it in… … No. 380. Price, as shown, with tripod, $50.00. The figure represents the level introduced by us in 1874, and which has since been very largely used by architects, builders, and millwrights, as well as by engineers and surveyors, in the grading of streets, drains, sewers, etc., in all party of the…
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