. 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. 846. CONCRETE type. Mounted on a truckand driven by a gasoline in batches and tilts to dis-charge while running. 847. PORTABLE CONCRETE MIXER. Square box type. The revolution of the rectangularbox, hung at its corners, makesa thorough mixture
. 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. 846. CONCRETE type. Mounted on a truckand driven by a gasoline in batches and tilts to dis-charge while running. 847. PORTABLE CONCRETE MIXER. Square box type. The revolution of the rectangularbox, hung at its corners, makesa thorough mixture of the con-crete in batches. The ma-terials are charged through thehopper in measured quantities,so making a uniform mixturefor concrete 848. TRENCH BRACE. An up-to-date contractors appliance for bracing trenches. The large handlenut and screw give the brace greatpower, and the socket bearings ac-commodate the brace to irregularsurfaces.
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
