A NEW FIRE ENGINE, WITH A BOILER, BOTH OF A PARTICULAR SORT
Year: 1768

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOSEPH
HATELY, of Borrowstonness, in the Shire of West Lothian, in North Britain,
Gentleman, send greeting.
WHEREAS I, the said Joseph Hately, did, by petition to the King's most
Excellent Majesty, humbly shew that I had found out and brought to per-
fection "A NEW FIRE ENGINE, WITH A BOILER, BOTH OF A PARTICULAR SORT;" that
the engine was so constructed that its power is greatly increased without
enlarging the cylinder, and the boiler was so made as to save greatly the
expence of fuel, and both so constructed as to become of general utility to His
Majesty's subjects; and that, therefore, as well as for other reasons contained
in the said petition, I, the said Joseph Hately, did pray His said Majesty to
grant unto me, my executors, administrators, and assigns, His Royal Letters
Patent, for the sole use and benefit of the said Invention within that part of
His said Majesty's Kingdom of Great Britain called England, His Dominion
of Wales, and Town of Berwick upon Tweed, and also within His said
Majesty's Plantations and Colonies abroad, for the term of fourteen years; to
the prayer of which petition His said Majesty was most graciously pleased to
condescend, and Letters Patent agreable thereto have accordingly passed the
Great Seal.

page_text: NOW KNOW YE, that I, the said Joseph Hately, in compliance with and
in performance of a provisoe or condition contained in the said Letters Patent,
do hereby describe and ascertain the said Invention in manner following (that
is to say):
=
The peculiarities of this boiler are, that the bottom of it is level with the
fire-grate, and an arch is thrown over the top to heat the steam before it enters
the cylinder, and after the steam is raised in the boiler it is again heated
before it passes into the cylinder; in this draft the steam is proposed to be
heated by means of an arch raised over the top of the boiler, through which
the flame passes before it enters the chimney; the same effect may be pro-
duced by the pipes which convey the steam to the cylinder passing through the
fire. It likewise will be of the greatest utility by evaporating the greatest
quantity of water with the least quantity of fuel. The peculiarities of this
cylinder are, that it is a double one, and the piston also double, in order that
cold water may constantly be circulating betwixt the two, which will more
fully appear by the following draught and explanation (that is to say):-Fig 1,
A, A, A, A, A, A, A, A, A, the boiler; B, b, two caves made through the bottom
part of the boiler into the fire at C; one of them (B) to put in the fuel at the
other (6), for Teading the flame into the flue d, which revolves once round the
boiler, and then enters into a cave e, e, under an arch made of brick or stone
m, m, over the top of the boiler; f. f, two iron pipes, which convey the fire
through the steam in the boiler; g, the entrance into the chimney h; i, i, the
fire-grate; k, the ash pit; 1, 1, 1, 1, 1, the receiver and pipe to convey the steam
into the cylinder; n, n, n, n, the water in the boiler. Fig 2, A, A, A, A, the
engine cylinder; B, B, B, B, a second cylinder that may be made of mettle,
wood, brick, or stone; C, C, the cylinder bottom, to which both cylinders are
screwed at d, d, d, d; e, f, g, h, the injection pipe, the discharging pipe, the
steam pipe, and siufting pipe, which may be occasionally apply'd to the
side of the cylinder; i, i, i, i, the cavity or space between the two cylinders,
to be filled and constantly supply'd with cold water by means of a pipe that
conveys it to the bottom of the cavity, which again discharges itself at the
top, in order to keep the interior cylinder as cool as possible; k, k, k, k,
the double or hollow piston in the cylinder, the cavity of which is likewise to
be kept full of water and supply'd through the pipe m, and discharged at n.
Fig 3, A, B, C, a segment of a wheel framed into its shaft D, D, with the
pieces of timber e, f, g, h, i; k, k, the chains to be join'd to the pump rods in
raising of water, and, where necessary, to the other several purposes for which
the said engine is intended, that is to say, grinding of corn, rolling and
slitting of iron or any other mettles, boring of cylinders, guns, pipes, &c., or

page_text: any other purpose where power is required. 1, 7, the piston chain on the
shaft D, D. And I, the said Joseph Hately, do hereby aver and declare that
the above is a true, full, and perfect description of the nature and practice of
the said Invention.
In witness whereof, I, the said Joseph Hately, have hereunto set my hand
and scal, the Thirtyeth day of June, in the eighth year of the reign of
our Sovereign Lord George the Third, by the grace of God, of Great
Britain, France, and Ireland, King, Defender of the Faith, and so
forth, and in the year of our Lord One One thousand seven hundred
and sixty-eight.
Sealed and delivered (being first
duly stamp'd) in the presence of
JOSEPH HATELY. (L.S.)
ALEXANDER Moffet..
W* JEFFREYS.
AND BE IT REMBRED, that on the aforesaid Thirtieth day of June,
in the year last above menconed, the aforesaid Joseph Hately came before our
said Lord the King in His Chancery, and acknowledged the Specification afore
said, 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 made in the sixth year of the reign of the late King and
Queen William and Mary of England, and so forth.
Inrolled the Fifth day of July, in the year above mentioned.