KtTABLISHSD 1845. INCOKPOKATRD I90O. 



W. & L. E. GURLEY 



TROY, N. v., U. S. A. 

 Larfatt Maattfacttirera in. America tf 



Instruments for Civil, Mining and Hydraulic 

 Eng^ineers and Land Surveyors 



Foresters' Instruments, Compasses, Plane- 

 Tables, Cliains, Tape-Lines, Etc. 



N*. lOORECONNOISSANCe TRANSIT fiif.** 

 CATALOOUBS AND DETAILED INFORMATION ON REQUEST 



PUa»» mention this V[»g^r.ine wh«a writing 



