. Canadian forest industries 1897-1899. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. Fig. Fig. 11. towards the center of a. A separate piece of belting c is placed between the jaw and the specimen to protect the latter from being cut by the jaws. Four bolts d are used to tighten the jaws. When the belt stretches its thick- ness is diminished. The bolts are then tightened more to prevent slipping. The jaws are connected to the piston of the ram by a ball and socket joint. They can thus adjust themselves to any unevenness in tension. Specimen
. Canadian forest industries 1897-1899. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. Fig. Fig. 11. towards the center of a. A separate piece of belting c is placed between the jaw and the specimen to protect the latter from being cut by the jaws. Four bolts d are used to tighten the jaws. When the belt stretches its thick- ness is diminished. The bolts are then tightened more to prevent slipping. The jaws are connected to the piston of the ram by a ball and socket joint. They can thus adjust themselves to any unevenness in tension. Specimen No. i. Width, 4 in. Sectional area, .84 square in. Weight, .4768 lb. per lineal ft. Cost, 42 cents per ft. Broke at 4,170 lbs. per square in. Total extension in 30 in. = in. = 10 per cent. Permanent extension, per cent. Specimen No. 2. Width, 5 in. Sectional area, square in. Weight, .635 lb. per lineal ft. Cost, 52 cents per ft. Broke at 4,270 lbs. per square in. Total extension, per cent. Permanent stretch, per cent. Specimen No. 3. Width, 6 in. Section, square in. Weight, .844 lb. per lineal ft. Cost, 62 cents per ft. Broke at 3,790 lbs. per square in. Total stretch, per cent. Permanent stretch, per cent. Specimen No. 4. Width, 8 in. Section, square in. Weight, lbs. per ft. Cost, 84 cents per ft. Broke at 3,700 lbs. per square in. Total stretch, per cent. Permanent stretch, per cent. Specimen No. 5. Width, 10 in. Weight, l°s- Per lineal ft. Cost, $ per ft. Maximum load, 3,320 lbs. per square in. Total stretch, per cent. Permanent stretch, per cent. Specimen No. 6. Width, t2 in. Weight, lbs. per lineal ft. Cost, $ per ft. Maximum load, 3,540 lbs. per square in. Total extension, per cent. Permanent extension, per cent. Specimen No. 7. Width, 14 in. Weight, lbs. per ft. Cost, $ per ft. Maximum load, 3,620 lbs. per square in. Total extension, per cent. Permanent exten
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectforestsandforestry
