Specification of Donald Bethune : apparatus for preventing or consuming smoke in furnaces and chimneys.

  • Bethune, Donald.
Date:
1857
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Donald Bethune : apparatus for preventing or consuming smoke in furnaces and chimneys. Source: Wellcome Collection.

    7/10 (page 5)
    JBethunes Impts. in Apparatus for Prevefiting or Consuming Smoke in Furnaces, (^c. piston has a valve in it, which may be of india-rubber, or other material, and as it descends upon raising the beam F, the water in the cylinder passes through the valve to the upper side of the piston ; and as the water can only pass through the tube leading from the upper to the lower part of the cylinder 5 (and which may be more or less closed by the cock T), the closing of the valve or lid may be regulated at pleasure. Having thus described the nature of my Invention, and the manner in which it is to be performed, I would have it understood that I make no claim to the mechanical parts separately, nor do I confine myself to the details; but what 10 I do claim is, the combined apparatus herein described applied to the door or other parts of a furnace or boiler, as herein described or mentioned. In witness whereof, I, the said Donald Bethune, have hereto set my hand and seal, this Eighth day of December, in the year of our Lord One thousand eight hundred and fifty-seven. D. BETHUNE. (l.s.) Signed, sealed, and delivered, by the within- named Donal Bethune, in the presence of Ja® R® Burton, Clerk to Mr. Warner, Law Stationer, 20 31 4j, Oxford Street. LONDON: Printed by George Edward Eyre and William Spottiswoode, Printers to the Queen's most Excellent Majesty. 1857.