Specification of James Robertson : furnaces or fire-places.

  • Robertson, James.
Date:
1855
Catalogue details

Licence: Public Domain Mark

Credit: Specification of James Robertson : furnaces or fire-places. Source: Wellcome Collection.

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    Furnaces or Fire-places. (This Invention received Provisional Protection, but notice to proceed with the application for Letters Patent was not given within the time prescribed by the Act.) PROVISIONAL SPECIFICATION left by James Robertson at the Office of the Commissioners of Patents, with his Petition, on the 12th July 1854. I, James Robertson, of Kentish Town, in the County of Middlesex, Cooper, do hereby declare the nature of the said Invention for “ Improve- 5 MENTS IN THE CONSUMPTION OR PREVENTION OF SMOKE ” to be as follows I- This Invention relates to a peculiar arrangement of furnaces or fire-places for effecting the consumption of smoke and unconsumed products of combustion, wherein the fire is contained in a much smaller superficial space than in ordi¬ nary furnaces, and a greater degree of heat will be obtained, whilst the products 10 to be consumed are brought nearer to the mouth of the furnace, and are con¬ sequently more under the controul of the fireman. The furnace bars employed are much shorter than usual, and are situated lower down, in order that a greater depth of fuel may be carried thereon. The bridge is made to overhang the bars considerably in the direction of the furnace door, and immediately in 15 front of this overhanging portion of the bridge is fitted a moveable inclined grating or series of bars, which oscillate upon a fixed centre at the back of the stationary furnace bars. This grating is inclined at considerable angle over the burning fuel in the direction of the furnace door, with which it is connected by a chain, which is so arranged, that on opening the door to supply fuel, the 20 grating is caused to oscillate slightly on its fixed centre, in the direction of the furnace door, and press upon the fuel at the back. On feeding the fire, the fuel