IMPROVEMENTS IN POWDER FLASKS
Year: 1863

page_text: LETTERS PATENT to George Haycraft, of 23, Lombard Street, in the City
of London, for the Invention of "IMPROVEMENTS IN POWDER FLASKS."
Sealed the 12th May 1863, and dated the 17th January 1863.
PROVISIONAL SPECIFICATION left by the said George Haycraft at the.
Office of the Commissioners of Patents, with his Petition, on the
17th January 1863.
I, GEORGE HAYCRAFT, of 23, Lombard Street, in the City of London, dō
hereby declare the nature of the Invention for "IMPROVEMENTS IN POWDER
FLASKS," to be as follows:-
This Invention has for its object improvements in powder flasks. For this
purpose I make powder flasks with a hollow cylindrical stopper with a screw
thread formed upon the outer side of it; this hollow cylindrical stopper closes
the mouth of the flask, there being a corresponding female screw formed in the
neck of the flask. The hollow cylindrical stopper projects into the interior of
the flask and is closed at one end by a suitable head piece; it serves when the
flask is open as a measure for the powder, being made to contain one charge
thereof. I prefer to make the stopper of tin and in one piece by means of
stamping.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said George Haycraft in the Great Seal Patent Office on the
17th July 1868.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, GEORGE
HAYCRAFT, of 23, Lombard Street, in the City of London, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Seventeenth day of January, in the year
of our Lord One thousand eight hundred and sixty-three, in the twenty-sixth
year of Her reign, did, for Herself, Her heirs and successors, give and grant
unto me, the said George Haycraft, Her special licence that I, the said
George Haycraft, my executors, administrators, and assigns, or such others
as I, the said George Haycraft, my executors, administrators, and assigns,
should at any time agree with, and no others, from time to time and at all
times thereafter during the term therein expressed, should and lawfully
night 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 POWDER FLASKS," upon the condition (amongst others)
that I, the said George Haycraft, my executors or administrators, by an
instrument in writing under my, or their, or one of their hands and seals,
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 I, the said George Haycraft, 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 :-
This Invention has for its object improvements in powder flasks. For this
purpose I make powder flasks with a hollow cylindrical stopper with a screw
thread formed upon the outer side of it; this hollow cylindrical- stopper closes
the mouth of the flask, there being a corresponding. female screw formed in
the neck of the flask. The hollow cylindrical stopper projects into the interior
of the flask, and is closed at one end by a suitable head piece; it serves when
the flask is open as a measure for the powder, being made to contain one
charge thereof.
And in order that my said Invention may be more fully understood and
readily carried into effect, I will proceed to describe the Drawings hereunto
annexed.

page_text: DESCRIPTION OF THE DRAWINGS.
Figure 1 represents an outside view, and Figure 2 a section of the neck
of a powder flask with its stopper constructed according to my Invention;
Figure 3 shows a section, Figure 4 a side view, and Figure 5 a plan of the
stopper separately.
a is the hollow cylindrical stopper, which it will be seen has formed upon
its outer side a screw thread a', which takes into a corresponding female
screw b¹ formed in the neck of the flask b, and, as is shown at Figures 1 and 2,
the hollow cylindrical stopper serves to close the mouth of the flask; it then
projects into the interior of the flask; the stopper is closed at one end by a
head piece a², which on its outer edge is milled or roughened in order to
afford a better holding surface when it is desired to turn it to open or close
the flask. This stopper when removed from the flask and held in the position
shown at Figures 3 and 4, serves as a measure for the powder, being made of
size suitable to contain one charge thereof. I prefer to make the stopper of
tin, and in one piece, by means of stamping in suitable dies or moulds, as other
small articles of tin are commonly made.
In witness whereof, I, the said George Haycraft, have hereunto set
my hand and seal, this Fifteenth day of July, in the year of our
Lord One thousand eight hundred and sixty-three.