468 



INDEX 



Tanning materials, imports of, 86, 87 

 Tannins, wood and bark, annual consump- 

 tion and wastage, 5 



— , , wastage, s 



Tapping rubber trees/' 404, 405 

 , illustration of, 407 



— sugar maple with bit, illustration of, 386 



— trees, maple, 385 

 Tar oils, uses of, 232 

 — , wood, uses of, 222 



— , — , yield of, in hardwood distillation, 721 



Teak sawed veneers, 102 



Teeple's experiment in softwood distillation, 



233 

 Teeple, John E., on waste pine wood utiliza- 

 tion, 234 

 — , J. E., on waste wood distillation, 224 

 Temperatures used in boiling logs for cutting 



veneers, 97 

 Tennessee, box lumber consumption, 252 

 — , lumber cut, 7 

 — , wood fuel used, 339 

 Terminalia chebula, 84 

 Teredo, damage to piling, 320 

 Texas, box lumber consumption, 252 

 — , lumber cut, 3, 7 

 — , wood fuel used, 339 

 Thuja occidentalis, poles, 300 



plicata, poles, 300 

 Tie, equivalents, 15 

 — , (2d class), equivalents, 15 

 — , (narrow gauge), equivalents, 15 

 — , (standard), equivalents, 15 



— hacker making ties, illustration of, 265 



— plates, use of, 297 



Ties, cross, annual consumption and wastage, 



S 

 — , — , wastage, s 

 — , — see cross ties. 



Tilghman, discoverer of chemical pulp, 2 1 

 Tight cooperage — see cooperage, tight, etc. 

 Timber lands, management of, for hardwood 

 distillation, 195 



— owned by government, 4 



— , standing, owned by pulp companies, 28 

 — , stand of, by regions and species, 4 

 Timbers, mine — see mine timbers 



— used for piling, 32r 



Time required for charcoal burning, 241 



hardwood distillation, 204 



Tower system of making acid, 40, 41 

 Toyylon pomiferum, 420 



Trackage and cars, distillation, 207 

 Treated ties, number, 294 

 Treating posts, cost, 329 

 Trevor stave bolt equalizer, 124 

 Trestle timber, equivalents, 15 

 Triangular cross ties, 27.3, 274 



— ties, advantages of, 273, 274 



, disadvantages of, 274 



Trucks, distillation, cost of, 208 

 Tsitga canadensis, 9 



— helerophylla, 9, 63, 77 



— mertensiana, 77 



Tupelo, amount for boxes, 251 

 — , lumber cut, 8 

 — , — value, ID 



— used for slack cooperage, 121 



— veneers, use, 107 



TurnbuU, John H., distillation plant by, 190 

 Turpentine and rosin, exports of, 169 

 , production of, for 1918, 168 



— barrels, 181 

 — , prices of, 184 



— still, diagrammatic cross-section of, 182 

 , illustration of, 1 79 



— , utilization of, 183 



— , yield per crop of, 182 



Turpentining, effect of, on strength and 



durability of lumber, 166 

 — , French methods of, 185, 186 



U 



Uncaria acida, 86 



— gambler, 86 



Use of lumber cut, 11 



sawmill and other waste for paper 



pulp, 29, 30 



wood, annual, 11 



Uses of cork, 440 



excelsior, 425 



maple syrup and sugar, 398 



— , rubber, 412 



Utah, wood fuel used, 339 



Utilization in European countries, 12 



— of charcoal, 245 

 cork, 440 



products, hardwood distillation, 220 



of naval stores industry, 183 



sawmill and wood's waste for hard- 

 wood distillation, 194 



softwood distillation products, 232 



veneers, 105, 106, 107 



