Transactions . CROSS SECTIONS OF THE CHANNEL IN ROCK. CROSS SECTIONS OF THE CHANNEL IN EARTH Sections of the Chicago Main Drainage Channel. This cut up the clay and fed it upon the belt, which in turntransported it to the clump. The granulator was mounted ontrucks parallel to the belt. The bridge carrying the belt wasmounted on tracks, so that it could be easily moved forward asthe excavation advanced. The average capacity of the beltwas about 500 cubic yards per day, with a maximum of 1200cubic yards. The fourth apparatus was the Hoover and Mason steel-beltcantilever excavator (see Fig. 10).
Transactions . CROSS SECTIONS OF THE CHANNEL IN ROCK. CROSS SECTIONS OF THE CHANNEL IN EARTH Sections of the Chicago Main Drainage Channel. This cut up the clay and fed it upon the belt, which in turntransported it to the clump. The granulator was mounted ontrucks parallel to the belt. The bridge carrying the belt wasmounted on tracks, so that it could be easily moved forward asthe excavation advanced. The average capacity of the beltwas about 500 cubic yards per day, with a maximum of 1200cubic yards. The fourth apparatus was the Hoover and Mason steel-beltcantilever excavator (see Fig. 10). This machine spans thecanal, being mounted on two cars, placed on either side of the 302 THE CHICAGO MAIN DRAINAGE CHANNEL. channel. It was first built with two cantilever-arms, so thatthe excavated material could be deposited on either or bothsides of the canal. The excavator as thus built had a combinedlength of 632 feet, a height of 90 feet and a width of 20 conveyor consists of a series of steel pans, hinged togetherat the ends, forming
Size: 2657px × 940px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
