Tables and Rules 



325 



WEIGHT PER 1000 FEET OP SEASONED LUMBER 



KIND 

 Ash . 

 Cedar 

 Cypress 

 Beech . 

 Cherry 

 Birch . 

 Dogwood 

 Elm . . 

 Butternut 

 Chestnut 

 Maple . 

 Oak . . 



LB. KIND LB. 



3550 Poplar 3056 



2925 Willow 2780 



3350 Locust 3800 



4000 Norway Spruce . . 2760 



3720 Hemlock . ... 2350 



2950 Hickory 3960 



3930 Walnut 3690 



3220 Pitch Pine 4150 



1960 Red Pine 3075 



3170 Yellow Pine . . . 2890 



4000 White Pine 2880 



3675 



WELL-SEASONED FUEL 



' (Scribner's Lumber and Log Book) 



"The best time to cut, haul and prepare wood for fuel 

 is in the comparative -leisure of the winter, and where 

 wood is used for fuel it should be thoroughly dried, as 

 in its green and ordinary state it contains 25 % of water ; 

 the heat to evaporate which is necessarily lost ; therefore, 

 the burning of green wood is greatly wasteful. 



" A log of unseasoned wood weighing, say 100 lbs., will 

 weigh, when dry, only 66 lbs. What now has it lost? 

 any combustible matter? anything that will warm your 

 house or cook your food ? No ! it has lost 34 lbs. of water. 

 If about one-third the weight of green wood is water, then 

 there are 1443 lbs. of water in a cord. This has to be made 

 into steam before the wood can be burned. By drying the 

 wood most of the water is expelled and there is little loss of 

 heat in the drying as it burns. Now, it costs about 

 •$2.00 to work up a cord of wood for the stove after it is 



