File:Essays, political, economical, and philosophical (1796) (14577690279).jpg

Identifier: essayspoliticale02rumf (find matches)
Title: Essays, political, economical, and philosophical
Year: 1796 (1790s)
Authors: Rumford, Benjamin, Graf von, 1753-1814 Adams, John, 1735-1826, former owner. BRL John Adams Library (Boston Public Library) BRL
Subjects: Science Charities Food Fireplaces Heat Poor
Publisher: London : Printed for T. Cadell Jun. and W. Davies (successors to Mr. Cadell) ...
Contributing Library: John Adams Library at the Boston Public Library
Digitizing Sponsor: Internet Archive

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Text Appearing Before Image:
ned, (See defcriptions ofthe Plate II.) PLATE VI. Fig. 25 is a fe£tion of a fmall lime^^kiln, built,or rather now building, at Munich, for the purpofeof making experiments. The height of the kiln is15 feet;—itsinternaidiameter belowj 2 feet,—andabovej 9 inches* In order more effeftually to con-fine the heat, its walls, which are of bricks and verythin, are double, and the cavity between them isfilled with dry wood afhes. To give greate?ftrength to the fabric, thefe two walls are con^ne^ed in different places by horizontal layers ofbricks which unite them firmly. a^ is the opening by which the fuel is put intothe fire-place. Through this opening the dir der>fiends which feeds the fire. The fire-place is re-prefented nearly full of coals, and the flame paffingoff laterally into the cavity of-the kiln, by an open-ing made for that purpofe at th^ bottom of the fire-place. The opening above, by which the fuel is intro^4uce4 into the fire-pUce, is covered by a plate of iron. y/^/v d
Text Appearing After Image:
Zc/ufon rui>f^/>rt7J^^fji/^y dy Outd^ i;J)f7i icfSrm/t<f Defcriptkn cf th& Ftates* 19^5 iron, moveabk on hinges j which plate, by beinglifted up more or lefs by means of a chain, ferves.as a regifter for regulating^ the fire. A fedion of this plate, and of the chain by whichIt is fupported, are fhown in the Figure. b is an opening in the front wall of the fire-place,which ferves. occafionally for cleaning out the fire-place, and the opening by which the flame paiTes;feom the fire-place into, the kiln. This opening,which muft never be quite clofed, ferves: likewifefor admitting a fmall quantity of air to pafs hori-zontally into the fire-place; A fmall proportion ofair admitted in this manner has been found to beufeful and even neceflary in fire-places in which,in order to confiime the fmoke, the flame is madeto defcend. Several fmall holes for this purpofe,fitted with conical floppers, may be made in dif-ferent parts of the fi-ont wall of the fire-place. The bottom of the

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