. The pictorial sketch-book of Pennsylvania, or, Its scenery, internal improvements, resources, and agriculture, populary described . 10 MINERS TOOLS. Ill is used to break larger pieces of rock or mine. A miners shovel ispointed, so as to penetrate the coarse and hard fragments of mineralsand rocks. All these tools should be well steeled and tempered, andkept in good repair. Besides these, the miner requires the following blasting tools: aJiand-drill, which is a bar of iron or steel, edged at one end and. FRONT VIEW OF A PEXNSYLVAMA BLAST FURNACE. headed at the other—both well hardened and tem
. The pictorial sketch-book of Pennsylvania, or, Its scenery, internal improvements, resources, and agriculture, populary described . 10 MINERS TOOLS. Ill is used to break larger pieces of rock or mine. A miners shovel ispointed, so as to penetrate the coarse and hard fragments of mineralsand rocks. All these tools should be well steeled and tempered, andkept in good repair. Besides these, the miner requires the following blasting tools: aJiand-drill, which is a bar of iron or steel, edged at one end and. FRONT VIEW OF A PEXNSYLVAMA BLAST FURNACE. headed at the other—both well hardened and tempered ; the scraper,a small iron rod with a hook on one end, to take the bore-meal out of 112 loco:motive sketches. the hole ; and a copper needle, which is a simple %Yire one-fourth of aninch thick, somewhat tapered at one end. The iamping-bar is a barof round iron, with a groove to fit the needle. The erection of a furnace is a very complicated and hazardous task.
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Keywords: ., bookcentury1800, bookdecade, booksubjectminesandmineralresources
