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Established 1845. Incorporated 1900. 



W. & L. E GURLEY 



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

 Largest Manufacturers in America of 



Instruments for Civil, Mining and Hydraulic 

 Engineers and Land Surveyors 



Foresters' Instruments, Compasses, Plane- 

 Tables, Chains, Tape-Lines, Etc. 



No. 100RECONNOISSANCB TRANSIT $05.00 

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