Copy 1

Fires improv'd: or, A new method of building chiminies, so as to prevent their smoaking ... / Made English and improved by J.T. Desaguliers. By whom is added, the manner of making coal-fires, etc.

Gauger, Nicolas, approximately 1680-1730

Date:: 1736

Credit: Fires improv'd: or, A new method of building chiminies, so as to prevent their smoaking ... / Made English and improved by J.T. Desaguliers. By whom is added, the manner of making coal-fires, etc. Source: Wellcome Collection.

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$is to come in, Laftly, you mult folddown- wards to a Square all the Part which is be- yond A a, and fo you will have the firft P iece. [Fig. 13. Second Piece.'] The fecond Piece is a Plate of planifh’d Brafs, or Copper, ABEG'^^i^ as long as the Round of the Back and Sides of the Chimney, that is, in this Cafe of about 6 Feet, (if might be of Plate-Iron, and only 4 Feet in length, and 3 Feet and a half high ; told the lower Part and the two Sides to a Square a little more than the Breadth of a quarter of an Inch : Set off upon each Side the Heighth AB ab9 of 2 Feet and 8 Inches each \ when the Plate is 6 Feet long, and covers the whole Compafs of the Chim¬ ney, take off the two little Reftangles BEG, b eg \ in the Middle of this great Plate, put a little Plate, with its Frame, as we faid in the foregoing Chapter. You muft alfo cut out little Plates 5 Inches broad, fome 2 Feet and a half, and fome about a Foot long, as may be feen in Fig. 22, to make Partitions under the fecond Piece, and below the firft; and then you will have all the Pieces fit to finifh the Chimney. To joyn them together, turn the fecond Piece GEBAM^^ upon the Model AHCM cha, which you muft hold to it in fuch Manner, as to have its Middle M anfwer to the Middle M of the fecond Piece,$