File:Essays, political, economical, and philosophical (1796) (14761160791).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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les, being driven into that fide of the plateof iron which forms the door which is expofed,fliould be covered with a body about 2 inches thickof flrong clay mixed with a due portion ofcbarfe powder of broken crucibles, which mafswill be held in its place by the heads of thenails and by the projefting ftaples. This mafsbeing put on wet, and gently dried, the cracksbeing carefully filled up as they appear, and thewhole well beaten together into a folid mafs, will,when properly burned on by the heat of the fire,form a covering for the door which will effeduallydefend it from all injury from the fire ; and thedoor fo defended will laft: ten times longer than itwould lafl without this defence. The infide doors of the two Brew-houfe Fire-places which I have fitted up at Munich are bothdefended from the heat in this manner j and thecontrivance, which has anfwered perfectly all thatwas expefted from it, has not been found to be at-tended with any inconvenience whatever. PLATE P><7A- ,?.
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^m riiy. 18. Mv/cof.Stnuui. io/ufo/2 Zi^A. //^/r/ A>:\y/,fii (frt/t// .WJ<7i^ihf S/m/Tff. Defcrlption of the Plafest igi PLATE III. Fig. 17 is a front view of the new boiler of thebrew-houfe called Neuheufel, or rather of its fire-place and cover (the boiler being concealed in thebrick-work). The infide door of the fire-place ishere reprefented flint; and, in order that it mightappear, the outfide door is taken off its hinges, andis not fhown. The two vaulted galleries, A, B, inthe folid mafs of the brick-work, on the right andkft of the fire-place, (which were made to favebricks,) ferve for holding fire-wogd. The partitionwalls of the fire-place and the different flues,—asalfo a fedlion of the boiler, are reprefented by dot-ted lines. The fmall circular hole on the left ofthe fire-place door is the window opening into thefire-place, by which the burning Fuel may be feen.^, b, is the wooden curb of the boiler: c, d, aplatform on which the men fland when they workin emptying th

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