A practical treatise on the manufacture of colors for painting : comprising the origin, definition, and classification of colors; the treatment of the raw materials .. etc. . ough the cast-iron pipe g intothe cast-iron cylinder h i, called the flame receiver. K is a double-elbow pipe starting from the top ofH I, which can he cleaned of ashes and dust throughmovable covers fixed on the top and bottom. M is a branch pipe fixed at o on the tuyere e, andwhich, without passing through the furnace, carriesthe blast to the lower part of the flame receiver h i. Fig. 19 shows the shape and direction of
A practical treatise on the manufacture of colors for painting : comprising the origin, definition, and classification of colors; the treatment of the raw materials .. etc. . ough the cast-iron pipe g intothe cast-iron cylinder h i, called the flame receiver. K is a double-elbow pipe starting from the top ofH I, which can he cleaned of ashes and dust throughmovable covers fixed on the top and bottom. M is a branch pipe fixed at o on the tuyere e, andwhich, without passing through the furnace, carriesthe blast to the lower part of the flame receiver h i. Fig. 19 shows the shape and direction of the pipeM, and the same letters answer for the cori-espondingparts of the previous figure. At N and o are stop-cocks, the former on the tuyere and the latter on thepipe M, which has an area of one-fifth of that of thetuyere. p is a large wrought-iron cylinder called the washer^which is tightly closed, and through which pass thegases of combustion, q r is a disk carrying under-neath it a spiral T T made of thin sheet iron, and com- 118 MANUFACTURE OF COLORS. municating at r with the pipe K which deliveis thehot gases. After circulating through the spiral, the Fig. gases escape through an opening in the centre of theplate Q R, and thence rise to the upper part of 20 is a horizontal section of the spiral t t. Fig. 20.
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Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, bookpublisherphila, bookyear1874
