4 



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KEUFFEL Se ESSER CO. NEW YORK. 



INCREMENT BORER. 



I 



-O- 



No. 4345. 



4345. Increment Borer, tubular metalliaudle, 7", nickelplated . each $ 6 00 



The 3 in. hollow auger with square shank is of steel and with the steel 

 extractor is stored in the hollow handle, which has two screw caps. The 

 Increment Borer (called " Zuwachsbohrer " by German foresters) serves 

 to extract a plug of wood from the standing tree to determine its rate of 

 growth. It will not injure the tree. 



STEM ANALYSIS RULES. 



4347. Stem Analysis Rules, 12 in., brass, nickelplated, engine 



divided, one edge to lOths of inches, the other to 

 millimeters ..................... each 



4348. Stem Analysis Rules, 12 in., like No. 4347 but with center- 



ing pin on the lOths inches edge ........... each 



2 50 



3 50 



TIMBER SCRIBES. 



No. 4350. 



4352. 



4350. Timber Scribe, wooden handle, small, (5'inr-h). . . 

 4352. u large, (6i ) . 



. . each $ 75 

 1 00 



