. Book of the Royal blue . UKAWIXc; CdKK KKOM ONE OF THE MAKT COKE FLKXACES ON THE LINE OP THE BALTIMORE & OHIO RAILROAD. MASTER KEY OF THE IRON AND STEEL INDUSTRY. 11 coal changes into a metallic sponge, andthis metallic sponge, after being cooledwith water, is the coke of commerce. Inthe Connellsville region the coke ovens areof the beehive type, from ten to twelvefeet in diameter and from six to eight feetto the top of the arch, and are built ofstone or fire brick. There is an opening inthe top for charging and for the escape ofgases while the coking process is going on,and a door
. Book of the Royal blue . UKAWIXc; CdKK KKOM ONE OF THE MAKT COKE FLKXACES ON THE LINE OP THE BALTIMORE & OHIO RAILROAD. MASTER KEY OF THE IRON AND STEEL INDUSTRY. 11 coal changes into a metallic sponge, andthis metallic sponge, after being cooledwith water, is the coke of commerce. Inthe Connellsville region the coke ovens areof the beehive type, from ten to twelvefeet in diameter and from six to eight feetto the top of the arch, and are built ofstone or fire brick. There is an opening inthe top for charging and for the escape ofgases while the coking process is going on,and a door through which the finishedproduct is drawn. During the coking process this door iskept closed. From three and one-half tofour tons of coal are charged into theoven, and after this coal has been leveledit lies on the floor about two and one-halfto three feet thick. This leaves enoughspace in the oven for the accumulatinggases and for the swelling of the coalwhile it is being coked. When the oven ischarged the coal is leveled down and thedoors bric
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Keywords: ., bookauthorbaltimoreandohiorailr, bookcentury1800, bookdecade1890
