Found these, but not the drawings:
A.D. 1866, February 26.—N° 593.
RYDBECK, SVEN.— (Provisional protection only).—" Improve-
" ments in breech-loading fire-arms."
The breech is to be closed by a sliding bolt in which a needle
striker is made to work. The bolt is moved by a lever motion,
and is secured in its place by a catch, or by a plug, which is fitted
in " a transverse groove."
[Printed, 4d. No Drawings.]
A.D. 1864, November 8.—N° 2777.
RYDBECK, SVEN.—" Improvements in breech-loading fire-arms
" and cartridges."
The breech is closed by a block hinged at its fore part to the
barrel. The block is released by a lever acting on the top of the
breech, and is then turned back to allow the cartridge to be
inserted in the barrel. The cartridge contains its own ignition.
Behind a charge of loose powder is placed " a disc or stopper of
" gunpowder moulded in a suitable mould ;" in the centre of it is
a recess, in which is placed a percussion cap, and behind which is
a perforated wad of greased felt. The cap is discharged by a
needle working in a slide in the breech block ; it is propelled by a
blow from the hammer which strikes a projecting piece connected
with the needle slide. The slide is drawn back by the action of a
coiled spring. Cartridges may be made without the plug or disc
of compressed or moulded gunpowder, the flange of the percus
sion cap being in that case held between two perforated discs of
[Printed, 10d. Drawing.]