Specification of Désiré Marchal : combustion of smoke.

  • Marchal, Désiré.
Date:
1867
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Désiré Marchal : combustion of smoke. Source: Wellcome Collection.

    7/10 (page 5)
    Marchal's Improvements in the Combustion and Prevention of Smoke, $c. Patent is, the methods of effecting the combustion and prevention of smoke, and in increasing the heating power of fuel, substantially herein-before set forth and described, or any mere modifications thereof. In witness whereof, I, the said Desire Marchal, have hereunto set my 5 hand and seal, this Twelfth day of February, in the year of our Lord One thousand eight hundred and sixty-seven. DESIRE MARCHAL. (l.s.) LONDON: Printed by George Edward Eyre and William SroTTiswooDE, Printers to the Queen's most Excellent Majesty. 1867.