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

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
epage 43.) Fisr. 6, Fig. 7, and Fig, 8, are views and feclionsof a perforated tile, with its flopper, fuch as areufed for clofmg the entrance by which the Fuel isintroduced into clofed kitchen fire-places. Thediameter of the circular opening, or hole in thetile, may be from 6 to 7 inches. (Seepage 30.) PLATE IL The various Figures, from No. 9 to No. 16 ofthis Plate, lliow the conflrudion of an afh-pit door^with its regifter. (See page 31.) Flo-. 9 is a front view of the door with its re-o-ifter.^The whole is conflruded of fheet-irpn,except the four narrow pieces at the four corners,which hold 4own in its place the circular plate ofthe regifter ; and the fmall circular plate (as largeas an half-crown) in the center of the regifter,which are made of brafs, on account of tha,t metalnot being fo liable to ruft as iron. Fig. I o is a fide view of the backfide of the door, fixed in its frame, in which the manner of its bq- ing (hut in its frame is feen, and the iron flraps, 5 a,b^ P/trte ?.
Text Appearing After Image:
-liv/^ ^c.J^irtutfi lo^d^n J>i/f^^rr77K>f*2;-p; dr Oiffe^/ ^ /)f7/ itnf K^//rr/it/. Defeription of the Plates, 189 a, b, f, d, are feen, by which the frame Is faflenedin the brick-work. Fig. 11 is an horizontal feclion through themiddle of the door and its frame, and through thebutton which ferves for fliutting the door. Fig. 12 is a feftion of this button, on an en-larged fcale, fhowing the manner in which it isconftructed. Fig. 13 is the plate of fheet-iron which forms thefront of the door, with the holes in it, by which theother parts of the machinery are fixed to it. Fig. 14 is the circular plate which forms the re-glfter—to this plate Is fixed a projecting knob, orbutton, (reprefented in the Figure,) by which it Isturned about. Fig. 15 and Fig. 16 (how, on an enlarged fcale,one of the four pieces of brafs by which the circularplate of the regifter is kept down in its place. In conftrufting thefe reglfter doors, and In ge-neral all Iron doors for fire-places, great and fma

Note About Images