Improvement In Percussion-Shells. Page: 2 of 2
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UNITED STATES PATENT OFFICE.
JOHN 1f. UNQUHART, OF JEFFERSON, TEXAS.
IMPROVEMENT IN PERCUSSION-SHELLS.
Specification forming part of Letters Patent No. 202,203, dated April 9, 1878; application filed
February 6, 1878.
To all whom it nmay concern: The shell may also be supplied with blasting
Beit known that I, JOHN MAC URQUHART, or time fuse instead of percussion-fuse.
of Jefferson, county of Marion, and State of The front section or point C is made taper-
Texas, have invented a new and Improved ing, and is also charged with powder: The
Percussion-Shell, of which the following is a point is studded with a number of anvils and
specification : percussion-caps, or arranged with a pereus-
In the accompanying drawing, Figure I rep- sion-fuse, or with both caps and fuse, so as to
resents a vertical longitudinal section of my secure the explosion of the shell. The point
improved percussion-shell; Fig. 2, a vertical is inclosed by a sheet-metal case, C', that cov-
transverse section of the same on line x x, ers the caps, but without pressing on the same
Fig. 1; and Fig. 3, a vertical transverse see. when ordinarily handled.
tion of a hand-grenade constructed on the The sheet-inctal case yields on striking any
same principle, substance and explodes then the caps, thus
Similar letters of reference indicate corre- firing and Ilrsting the shells.
sponding parts. The shell will explode even when striking
The invention relates to an improved per- the surface of water, as water furnishes suffi-
cussion-shell that is exploded on strikifig an cient resistance to spring the sheet-metal case
object, and which furnishes a number of suc- upon the caps.
cessive explosions; and the invention con- The base is provided with a block of wood,
sists of a shell made of a number of hollow as used in ordinary shells.
sections screwed together, charged with pow- The hand-grenade shown in Fig. 3 is con-
der, and connected by a central longitudinal strutted upon the sane principle, with radially-
ftse. The tapering point is also charged with arranged anvils, a sheet-metal case, and a han-
powder, studded with a number of anvils for dle for the throwing of the same from a hal-
caps, and inclosed by a sheet-metal case, that loon or otherwise.
explodes the caps on striking an olbect. The grenade may be charged with combus-
In the drawing, A represents the sections tibles mixed with the powder,so as to set fire to
of my improved shell, which are made hollow, the shipping, forts, magazines, &c., into which
and charged with powder through a side hole, it is thrown.
which is afterward plugged up. Having thuns fully described my invention,I
The shell may be made of any suitablenum- claim as new and desire to secure by Letters
her of sections, that are fitted onto each other Patent-
and screwed by their annularly-recessed base A percussion-shell made of jointed and sep-
parts into the threaded flanges of the adjoin- arately-charged sections, connected by a fuse,
ing section. and of a hollow point, having capped anvils
A continuous percussion-fuse, B, made of and sheet-metal casing, substantially as de-
sand-paper and fulminating powder, or metal- scribed, and for the purpose specified.
lic percussion-fuse, runs through holes of all JOHN M. URQUHART.
the sections, so that in case the shell should
strike laterally or broadside the breaking of Witnesses:
the joints will ignite the fuse and secure a suc- W. M. HARRISON,
cessful explosion of all the sections. W. T. ATxims.
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Urquhart, John M. Improvement In Percussion-Shells., patent, April 9, 1878; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth169721/m1/2/: accessed May 12, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.