. The pictorial sketch-book of Pennsylvania, or, Its scenery, internal improvements, resources, and agriculture, populary described . COKE OVEN. built at considerable expense, of which the annexed figure affordsan iUustration, The ovea is erected on the side of a hil], so as to 116 LOCOMOTIVE COKE OVEN. allow the coal to be hauled and thrown in the top with facility. Theinterior of the ovens is nearly circular, so as to prevent the matterhanging on the walls, as well, also, to facilitate the process of or three tons of bituminous coal are placed in the furnace, whenthe
. The pictorial sketch-book of Pennsylvania, or, Its scenery, internal improvements, resources, and agriculture, populary described . COKE OVEN. built at considerable expense, of which the annexed figure affordsan iUustration, The ovea is erected on the side of a hil], so as to 116 LOCOMOTIVE COKE OVEN. allow the coal to be hauled and thrown in the top with facility. Theinterior of the ovens is nearly circular, so as to prevent the matterhanging on the walls, as well, also, to facilitate the process of or three tons of bituminous coal are placed in the furnace, whenthe fire is kindled, after which the doors, 6 b and a, are closed, andthe bituminous matter separates from the coal, and leaves behind aspongy substance of about the same quality as charred wood. Theprocess is very little different from that of charring wood, and various
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Keywords: ., bookcentury1800, bookdecade, booksubjectminesandmineralresources
