E«TABU9H«D 1845. InCOKPORAT^D I900. 



W. & L. E. GURLEY 



TROY, N. Y., U. S. A. 

 Ltreest Manufacturers in America of 



Instruments for Civil, Mining and Hydraulic 

 Engineers and Land Surveyors 



Foresters* Instruments, Compasses, Plane- 

 Tables, Chains, Tape-Lines, Etc. 



No. lOORECONNOISSANCB TRANSIT $i!«.eo 

 CATALOaUES AND DETAILED INFORMATION ON REQUEST 



PI*A»« mwntion this Va.gtkzin* when trrltlBc; 



