. Supplement to Spons dictionary of engineering, civil, mechanical, military, and naval. The Coppee coke ovens are shown in Figs. 940 to 949. A row consisting of twenty, thirty, orforty ovens, the arrangement of chimneys and boilers at each end of the block being the same ; is a vertical longitudinal section ; Fig. 941 a vertical cross section on the line / m ; alongitudinal section showing the position of the cold air flues I, and their connection with the flues Kand L, and chimney N ; Fig. 943 is a plan of the top of the ovens ; Fig. 944 a sectional plan on the linea 6, and F
. Supplement to Spons dictionary of engineering, civil, mechanical, military, and naval. The Coppee coke ovens are shown in Figs. 940 to 949. A row consisting of twenty, thirty, orforty ovens, the arrangement of chimneys and boilers at each end of the block being the same ; is a vertical longitudinal section ; Fig. 941 a vertical cross section on the line / m ; alongitudinal section showing the position of the cold air flues I, and their connection with the flues Kand L, and chimney N ; Fig. 943 is a plan of the top of the ovens ; Fig. 944 a sectional plan on the linea 6, and Figs. 945 to 948 are similar sections taken respectively on the lines c d, ef, g A, and i k; and COKE OVENS. 423 1 I 3; 1 \\ 1 il[ 11 1 1 i ZL z: s i .)-1 1 T- 1I 11 1 l , 1 h^. 424 COKE OVENS. Fig. 949 is an enlarged elevation and section of two of the ovens. The coal is here coked in a com-paratively thin sheet or layer between highly heated brick walls ; the ovens O O are placed togetherin groups of two, any number of groups being connected to the common chimney. The character-istics of the Coppee oven are—a small width and an arrangement of channels especially suited forpoor coals, it having been proved by experience that many qualities of coal which are not sufifi- 942.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectenginee, bookyear1879
