THE USE BOOK. 



103 



This table is intended to be used simply as a guide. The 

 allowances for taper should be varied to conform to the actual 

 taper. 



All saw timber should be scaled. Each log must be num- 

 bered, with black crayon. The n urn ber_ should be the samcPair' 

 that opposite which the scale of the log is recorded in the 

 scale bofllw The logs in all skidways must be counted, and the 

 number in each checked with the entries in the scale book. 

 Ties may be actually scaled, or they may be counted and the 

 number multiplied by the average contents. Ordinarily, the 

 following figures may be applied : 



Eight-foot ties, standard face, 33$ board feet each, or 3Q ties. 

 to the thousand ; 8-foot ties, second class, and 6-foot ties, stand- 

 ard face, 25 board feet each, or 40 ties to the thousand. 



Shake and shingle-bolt material should be measured by the 

 cord or by the thousand feet board measure, in accordance with 

 the local custom. 



