. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. MISCELLANEOUS DEVICES. 351 one continuous motion, which operation withdraws the empty cartridgecase from the chamber and ejects it from the gun. The top cartridgein the magazine then rises in front of the bolt, if using magazine fire, ora cartridge is dropped in front
. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. MISCELLANEOUS DEVICES. 351 one continuous motion, which operation withdraws the empty cartridgecase from the chamber and ejects it from the gun. The top cartridgein the magazine then rises in front of the bolt, if using magazine fire, ora cartridge is dropped in front of the bolt by hand, if using single loaderfire, and the bolt handle pushed forward and turned down. This mo-tion seats the cartridge in the chamber and cocks the piece, which is thenready to fire. 898. BREECH-BLOCK MECH-ANISM for firing large guns. A rackmoved by the lever meshing in a sec-tor gear on the breech block revolvesthe block one sixth of a revolution,when it is swung out of the breech andclear of the bore. The handle nearthe pivot strikes the extractor lever,which operates the shell extractor anddraws the case. Seabury 899. Shows the breech blockswung clear from the chamberand a section of the screw withinthe chamber. 900. The breech blockin front of the chamberready to be pushed inand revolved to a lockposition by a furthermovement of the leverhandle. 352 MISCELLANEOUS DEVICES.
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
