. 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. 540 MISCELLANEOUS DEVICES. succession of up-and-down movements of the handle, the notched barmay be elevated its entire length, or until the stump is pulled com-pletely out. 871. MOTOR ROLLER-DISK PLOW. The gang of roller disks are separately at-tached to arms pivoted
. 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. 540 MISCELLANEOUS DEVICES. succession of up-and-down movements of the handle, the notched barmay be elevated its entire length, or until the stump is pulled com-pletely out. 871. MOTOR ROLLER-DISK PLOW. The gang of roller disks are separately at-tached to arms pivoted toa frame, which is attachedto an extension of the rearend of the traction windlass driven by themotor lifts the disk plowsout of the ground whennot in
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
