. 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. 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 90
. 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. 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 901. MAGAZINE PISTOL. Luger type. Pressure on a pin atthe butt of the barrel pushes to the rear the barrel and the breech block, which slides along grooves inthe framework. During thismovement, the movable breechand the barrel sHde as onepiece. The breech, however,continues to move by its mo-mentum the rollers of theknee or toggle-joint bearingagainst the curved butt pieceof the frame and causing acircular movement of the link,a, about its axis h. The kneerises until the moment when the mainspring, c, contained in the stockis entirely compressed, as is also the percussion spring. The cartridgecase carried along by the extractor strikes against the ejector, whichthrows it out. The seat of the breech block being clear, the upper cartridge of themagazine is pressed by a spring in the magazine in front, of the headcylinder. The mainspring, compressed by the recoil, pushes forwardthe breech block through the medium of a stirrup which connects thetwo pieces. The knee lowers itself half-way,
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
