. Transactions - American Society of Heating, Refrigerating and Air-Conditioning Engineers. ctions of Am. Soc. of Engineers people still continued to carry the hot brick to church in order to keeptheir feet warm. The chimney has played a wonderful part in the development of man-kind. We have the great Santa Claus, who could never have lived with-out the chimney and even in our modern apartment today, we still haveto get old St. Nick down the chimney. We had the London chimneysweeps, and many a writer has used the open fireplace and chimney asthe symbol of hospitality. Smoke coming
. Transactions - American Society of Heating, Refrigerating and Air-Conditioning Engineers. ctions of Am. Soc. of Engineers people still continued to carry the hot brick to church in order to keeptheir feet warm. The chimney has played a wonderful part in the development of man-kind. We have the great Santa Claus, who could never have lived with-out the chimney and even in our modern apartment today, we still haveto get old St. Nick down the chimney. We had the London chimneysweeps, and many a writer has used the open fireplace and chimney asthe symbol of hospitality. Smoke coming from the house-top chimneyalways denotes welcome. RULE OF THUMB GOVERNED CHIMNEY DESIGN The commercial chimney came into use about the time of the powerengine, about 1706 (Fig. 4). For over 150 years the only material usedwas brick of the old type (what we now call common brick) or in somecases stone was used. The design of all these chimneys was more orless by rule of thumb method. Having guessed how high the chimneywas to be, which generally was just enough to carry it above the roofs. FIG. 1. GREEK CHIMNEY, 300 of adjoining buildings, the diameter was assumed on a fairly accuratebasis. The design of the old common-brick chimney was about like this:The same inside dimension at both top and bottom of chimney, and theoutside dimensions figured on the basis of having the wall 13 in. thickat the top and increasing 4 in. or the thickness of one brick, every 15to 20 ft. It goes without saying that these chimneys must stand up, infact many of them are still performing service today. However thiswas an expensive method, and when the radial brick was introduced, itwas a big task to educate people to use the new type of brick. Themajority of these old common-brick chimneys was square in shape withsquare flues, but modern chimneys of today are built of course withcircular flues, which offer less resistance to the flow of the gases. Today we have the most scientific type of brick fo
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1895
