Specification of William Johnson : furnaces.

  • Johnson, William
Date:
1855
Catalogue details

Licence: Public Domain Mark

Credit: Specification of William Johnson : furnaces. Source: Wellcome Collection.

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    Johnsons Improvements in the Construction of Furnaces, $c. upward direction ; /,/, the partition wall; g, the passage from one fire to the other; h, h, h, h, the flues round the boiler; 1,1, the fire doors; 2, 2, the front plate, the chimney being over the fire doors, as is represented by the dotted lines ; the dotted circle shews the boiler seating. 5 Lastly, be it known that I do not claim the partition wall as my Invention, but the use and application of it, as before specified or set forth; nor do I mean to say that giving the flame a downward direction is a new Invention, but the application thereof in manner aforesaid ; and it is this modification of these things in producing the effect aforesaid in which my Invention consists. 10 And be it likewise known that I do not confine myself to any specific body, substance, or composition standing the test of heat, in the erection of the par¬ tition and stop wall, or to the figure or form of the same, by being constructed hollow, having interior divisions or subdivisions, for the purpose of passing air or water through them. 15 In witness whereof, I have hereunto set my hand and seal, this Twenty- second day of February, One thousand eight hundred and nineteen. WILLIAM (l.s.) JOHNSON. Signed, sealed, and delivered by the said William Johnson (being first duly stamped), in the presence of 20 Charles Cooke, Solicitor, Salford. Henry Cooke, Solicitor, Salford. AND BE IT REMEMBERED, that on the same Twenty-second of 25 February, in the year above mentioned, the aforesaid William Johnson came before our Lord the King in his Chancery, and acknowledged the Specification aforesaid, and all and every thing therein contained, in form above written. And also the Specification aforesaid was stamped according to the tenor of the Statute in that case made and provided. 30 Inrolled the Twenty-fourth day of February, in the year above written. LONDON: Printed by George Edward Eyre and William Spottiswoode, Printers to the Queen's most Excellent Majesty. 1855. Charles Cooke, a Master Extraordinary in Chancery.
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