INDEX 525 



PAGE 



Beaumont log rule g5 



Big Sandy Cube rule 33 



Billets, definition 14 



measurement 122 



products made from. ; 14 



Biltmore pachymeter 248 



stick 230 



errors in use of 232 



Table XXXVIII. . . , 232 



graduation 233 



Table XXXIX '. 233 



Blank areas, separation in estimating 289 



Blodgett foot 30 



or New Hampshire log rule 30 



Board-feet, basis of application to standing timber 139 



errors in use of cubic rules for 42 



frustum form factors for merchantable contents in 218 



log rules expressed in, but based directly upon cubic contents 34 



merchantable form factors for 225 



volume tables for 182 



Board-foot contents, construction of log rules for 58 



middle diameter as a basis for 46 



of logs 40 



rules of thumb ; 252 



converting factors for various piece products, Table LXXVI 478 



log rules, limitations to conversion of 83 



necessity for 40 



rules, formula based on cubic contents 35 



volume tables, construction of 188 



volume, tree containing average 311 



measure, definition , 8 



log scaling for 88 



Bole, in volume tables 158 



Bolts, definition 14 



measurement 122 



products made from 14 



Borer, increment 358 



Boundaries, determination in timber estimating 267 



Boynton log rule 85 



Branch wood or lapwood in volume tables 177 



Breakage 116 



Breast-high form factors 212 



, Table LXXXII 497 



Breymann's formula 22 



British Columbia log rule 64 



Brubaker log rule 85 



Brush, effect on width of strips 275 



Bulk products, forms of 11 



Business, definition 2 



Butt rot 110 



