. 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. 328 ENGINEERING AND CONSTRUCTION, 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

---

. 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. 328 ENGINEERING AND CONSTRUCTION, 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 work.

---

Size: 1782px × 1402px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910