Specification of John Slate : stoves, furnaces, chimney pots, and regulators.

  • Slate, John.
Date:
1854
Catalogue details

Licence: Public Domain Mark

Credit: Specification of John Slate : stoves, furnaces, chimney pots, and regulators. Source: Wellcome Collection.

    8/8 (page 4)
    Jefferson. 4 Slates Imps, in Stoves and Furnaces, and in Chimney Pots and Regulators. the interior of the chimney at the top should coincide exactly with the internal size of the chimney pot, as it will be found that so good an effect will not otherwise be produced, the difference in size presenting a projecting against which the smoke will impinge in its upward passage, and be prevented from issuing freely from the top of the chimney pot. 5 Having now described the nature of my said Invention, and in what manner the same is to be performed, I declare that what I claim as of my Inven- tion is,— First, the construction of register stoves or grates and ranges, with double cheeks, one fixed and the other moveable, with the register plate inclined 10 upwards from the front to the back of the chimney, and with a shifting smoke director placed in the throat of the chimney, as represented by Figures 1, 2, 3, and 4, and before described. And, second, the several constructions of chimney pots represented in In witness whereof, I, the said John Slate, have hereunto set my hand and seal, this Second day of May, in the year of our Lord One thousand eight hundred and fifty-one. . '' ( ■■, ^ JOHN (l.s.) SLATE. AND BE IT REMEMBERED, that on the Second day of May, in the year of 20 our Lord 1851, the aforesaid John Slate came before our said Lady the Queen in Her Chancery, and acknowledged the Specification aforesaid, and all and everything therein contained and specified, in form above written. And also the Specification aforesaid was stamped according to the tenor of the Statute 25 made for that purpose. Enrolled the Second day of May, in the year of our Lord One thousand eight hundred and fifty-one. LONDON: Printed by George Edward Eyre and William Sfottiswoode, Printers to the Queen’s most Excellent Majesty. 1854.