. Transactions. ELEVATION i 1 I : 1 ?^ \- . \ : 1 n : \ 1 1 •? ; 1 n ! 1 : : 1 n 1 ; : 1 n : 1 1 1 : \ : 1 ; ? ; 1 ; ; ( : . \ [ •^? 1 • rcff. 8. PLAN •So&ie /« s* Mine Timbering in the Old Ironsides and Knob Hill Mines. 439 I. •A 440 The Canadian Minitig Institute. connected by a V friction between the drum and the large gear whenrunning. This engine is mounted on nine car wheels for transportationunderground and braced securely to walls and timber when used. Eachengine should be equipped with air hose, wrench, and oil can. One inch manilla rope is used on the drum, with a single pulleyblock
. Transactions. ELEVATION i 1 I : 1 ?^ \- . \ : 1 n : \ 1 1 •? ; 1 n ! 1 : : 1 n 1 ; : 1 n : 1 1 1 : \ : 1 ; ? ; 1 ; ; ( : . \ [ •^? 1 • rcff. 8. PLAN •So&ie /« s* Mine Timbering in the Old Ironsides and Knob Hill Mines. 439 I. •A 440 The Canadian Minitig Institute. connected by a V friction between the drum and the large gear whenrunning. This engine is mounted on nine car wheels for transportationunderground and braced securely to walls and timber when used. Eachengine should be equipped with air hose, wrench, and oil can. One inch manilla rope is used on the drum, with a single pulleyblock fastened to the timber of the upper floor, the end of the rope isfitted with a pair of steel hooks for hoisting caps and posts; lagging islied together and hoisted in lots.
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Keywords: ., book, bookcentury1800, booksubjectmineralindustries, bookyear1895
