. Handbook of construction plant, its cost and efficiency. the crusher best fitted to localconditions: A—Incline and automatic dump cars. B—Level with end dump cars and tipple. C—Level with side dump cars. D—Incline chute. E—Incline track. F—Dump cars on tramway. G—Horse and cart. Give an idea as to the character of the ground in the proposedlocation; whether level or on a hillside. If on a hillside, giveapproximately the grade with a rough sketch of the site, if pos-sible, showing the position of the quarry relative to the plantand the position of railroad tracks. Answers to the above questio
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. Handbook of construction plant, its cost and efficiency. the crusher best fitted to localconditions: A—Incline and automatic dump cars. B—Level with end dump cars and tipple. C—Level with side dump cars. D—Incline chute. E—Incline track. F—Dump cars on tramway. G—Horse and cart. Give an idea as to the character of the ground in the proposedlocation; whether level or on a hillside. If on a hillside, giveapproximately the grade with a rough sketch of the site, if pos-sible, showing the position of the quarry relative to the plantand the position of railroad tracks. Answers to the above questions, together with such other sug-gestions and directions as may be offered by a prospective cus-tomer, will facilitate very much the preparation of plans and theselection of appropriate machinery for the plant. DERRICKS LIGHT DITCH DERRICK 3x4 spruce, 12 high, with drum, gear and cranks $50.00 4 square spruce, 14 high 60.00 3 leg tripods, 12 high, no gear 16.00 3 leg tripods, 14 high, no gear 18.00 All ironed and painted. No rope or block.. Fig. 76. TRIPOD DERRICK OP PIPE AND DROP FORGED FITTINGS Size ofNo. pipe legs Weight Safe capacity Price 1 1 x 7 38 lbs. 1000 lbs $ 3.75 2 1 x 8% 45 lbs. 1000 lbs 4.10 3 l^xl0 88 lbs. 2000 lbs 6.75 4 1 %xl2 100 lbs. 2000 lbs 7.50 5 2 xl2 145 lbs. 3000 lbs 10.50 6 2 xl4 165 lbs. 3000 lbs 11.50 Sulky derrick about 15 high. One man, one ton, with brake, blocks and 50 of 1/£ steel wire rope or 100 of 1 manila rope.Weight, 3, 500 lbs. Price, $60.00. See Fig. 76. 190 HANDBOOK OP CONSTRUCTION PLANT LIGHT DERRICKS WITH WINCHES OPERATED BY HANDPOWER Fig. 78. These can also be operated by an engine and can beset upon a small car. Fitted with manilla rope for light work. Sheaves arrangedfor three lines in the boom tackle and two lines in the hoistingtackle.