IMPROVEMENTS IN LOCOMOTIVE AND OTHER BOILERS
Year: 1855

page_text: LETTERS PATENT to Robert Robey and George Lamb Scott, both of the
City of Lincoln, Engineers, for the Invention of "IMPROVEMENTS IN
LOCOMOTIVE AND OTHER BOILERS."
Sealed the 26th February 1856, and dated the 28th September 1855.
PROVISIONAL SPECIFICATION left by the said Robert Robey and George
Lamb Scott at the Office of the Commissioners of Patents, with their
Petition, on the 28th September 1855.
We, ROBERT ROBEY and GEORGE LAMB SCOTT, both of the City of Lincoln,
Engineers, do hereby declare the nature of the Invention for "IMPROVEMENTS
IN LOCOMOTIVE AND OTHER BOILERS" to be as follows:--
This Invention is applicable to locomotive boilers and other tubular boilers
of a similar description, and consists in continuing the water space under the
fire box, so that the furnace may be surrounded on every side by water; and
also in forming a chamber at the upper part of the smoke box, into which the
exhaust steam is thrown. This chamber is traversed by a pipe connecting the
smoke box with the chimney, and the steam thrown into the exhaust chamber
escapes into the chimney by the annular space between the before-mentioned
pipe and the chimney.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Robert Robey and George Lamb Scott in the Great Seal
Patent Office on the 27th March 1856.
TO ALL TO WHOM THESE PRESENTS SHALL COME, we. ROBERT
ROBEY and GEORGE LAMB SCOTT, both of the City of Lincoln, Engineers, send
greeting.
time
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Twenty-eighth day of September, in the year of our
Lord One thousand eight hundred and fifty-five; in the nineteenth year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto us, the
said Robert Robey and George Lamb Scott, Her special licence that we,
the said Robert Robey and George Lamb Scott, our executors, administrators,
and assigns, or such others as we, the said Robert Robey and George Lamb
Scott, our executors, administrators, and assigns, should at any
with,
agree
and no others, from time to time and at all times thereafter during the term
therein expressed, should and lawfully might make, use, exercise, and vend,
within the United Kingdom of Great Britain and Ireland, the Channel Islands,
and Isle of Man. an Invention for "IMPROVEMENTS IN LOCOMOTIVE AND OTHER
BOILERS," upon the condition (amongst others) that we, the said Robert Robey
and George Lamb Scott, our executors or administrators, by an instrument in
writing under our or their bands and seals, or under the hand and seal of one
of us or them, should particularly describe and ascertain the nature of the said
Invention, and in what manner the same was to be performed, and cause the
same to be filed in the Great Seal Patent Office within six calendar months
next and immediately after the date of the said Letters Patent.
NOW KNOW YE, that we, the said Robert Robey and George Lamb Scott,
do hereby declare the nature of the said Invention, and in what manner the
same is to be performed, to be particularly described and ascertained in and
by the following statement thereof, that is to say:
and
This Invention is applicable to locomotive boilers and other tubular boilers
of a similar description, and consists in continuing the water space under the
fire box, so that the furnace may be surrounded on every side by water;
also in forming a chamber at the upper part of the smoke box, into which the
exhaust steam is thrown. This chamber is traversed by a pipe connecting the
smoke box with the chimney, and the steam thrown into the exhaust chaniber
escapes into the chimney by the annular space between the before-mentioned
pipe and the chimney.
Having thus stated the nature of our said Invention, we will proceed more
fully to describe the manner of performing the same.

page_text: DESCRIPTION OF THE DRAWING.
Figure 1 shows a longitudinal section, and Figure 2 a transverse section, of
a locomotive steam boiler, which is for the most part similar in construction to
those heretofore made. A, A, is the water space round the sides of the fire box;
and A' is a continuation of the water space below the fire, by which much heat
now wasted is beneficially applied in heating the water in the boiler; B is
an opening into the ash-pit below the fire bars. This opening B may be pro-
vided with a flap or valve, such as is shown in Figure 3 of the Drawings
annexed, by which the air allowed to pass into the ash-pit may be regulated,
or the opening completely closed when it is desired to damp the fire. C is a
chamber at the upper part of the smoke box, into which the exhaust steam
is allowed to flow through the annular space E into the chimney to improve
the draft.
Figure 3 shows a longitudinal section, Figure 4 a transverse section, and
Figure 5 an end view, of another arrangement of boiler, differing slightly
from the previous one, as will readily be seen by reference to the Drawing.
In this arrangement the parts already described with reference to Figures 1
and 2 are marked with like letters of reference. In these Figures, D is a
blow-off cock; F is a man-hole; H is a door, arranged when shut to be
fastened with a lock, if desired; G is the flap or damper, and the chimney is
made to turn on a hinge or joint, as shown.
Having thus described the nature of the said Invention, and the manner
of performing the same, we would have it understood that the form and
details of the construction of the boiler may be varied without departing from
our Invention; but what we claim is, the manufacture of fire boxes of tubular
boilers, such as above described, with a water space A' below the fire bars;
and we also claim the application of the chamber C and annular space E to
the smoke box of steam boilers.
In witness whereof, we, the said Robert Robey and George Lamb Scott,
have hereunto set our hands and seals, this Twentieth day of March,
in the year of our Lord One thousand eight hundred and fifty-six.
Witness,
ROBERT MARSHALL FISHER.
ROBERT RUDEI.
(L.S.)
GEORGE LAMB SCOTT. (L.S.)