AMERICAN FORESTRY'S ADVERTISERS 



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"The Watch of Railroad Accuracy" 





Expert 

 Service 



Is Demanded 



by Modem 



Business 



Methods 



S. B. Detwiler 



FOREST ENGINEER 



Commercial Trust Bldg. 

 PHILADELPHIA, PA. 



IT is policy to buy a good watch. The 

 owner of a Hamilton is practically 

 insured against needing a new watch, 

 or against having a watch that is always in 

 need of repairs. 



When you buy a Hamilton, you buy the 

 accurate, durable watch that will tell you 

 true time year after year. 



PRICES OF HAMILTONS: The lowest-priced 

 Hamilton is a movement alone for $12.25 ($13.00 

 in Canada). The highest-priced Hamilton is our 

 Masterpiece at $150.00 in 18 k. heavy gold case. 

 Other Hamiltons at $15.00, $25.00. $28.00. $40.00, 

 $55.00, $80.00. $110.00. etc. All have Hamilton 

 Accuracy, Beauty, and Durability. 



Write for the Hamilton Watch Book 



" The Timekeeper" 



It's an interesting book on watches. It pictures and 



intimately describes the various Hamilton models for 



men and women. 



HAMILTON WATCH COMPANY 

 Dept. 39 Lancaster, Pennsylvania 



T^he FSstsst Trains in America 

 Ruri on Hamiltoa Watch Time 



Forest Engineering 



is expert service in the application of scientific 

 and economic engineering knowledge and ex- 

 perience to forests and their products. It is 

 essential to modern timberland ownership 

 and operation, and equally important to the 

 distributor and consumer of wood. 



The Field Covers 



Technical Advice and 

 Practical Service 



in acquiring, estimating and mapping timber ; in 

 making valuations; in management; in selling 

 cither the stmnpage or manufactured product; 

 in selecting grades or kinds to meet your serv- 

 ice requirements; and in preservative treat- 

 ment to prevent decay. 



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JAMES W. SEWALL 



Timber Estimates 



Topographic and Boundary Surveys, Plant- 

 ing, Logging Maps, Portable Mill Operations 



Technical Training Thoroughness Experience 



CENTRE STREET OLD TOWN, MAINE 



Timber Estimates 



FlREPnOTEaiONPLANS 



Maps.LoggingReports 

 empirestateroresters 



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TIMBER ESTIMATES, FOREST 

 SURVEYS and MAPS 



D. E. LAUDERBURN 



Forest Engineer 

 1233 Presbyterian Building, New York City 



