Public works . BUCYRUS RAILROAD TYPE STEAM SHOVELEQUIPPED WITH CATERPILLAR TRACTION. the; carr formgrader This appliance, manufactured by Ed-ward G. Carr, is a locomotive machine,provided with a cutter drive held againstthe blade line by a hair spring and keptin exactly the proper position by a handwheel turned by the operator so asalways to insure the proper depth of cutter knives only 2-inches wide areprogressively set to cut a trench 8 incheswide through the shoulder earth. The formgrader works from its ownpower, cutting 300 to 700 feet per hourunder ordinary conditions, has a rever
Public works . BUCYRUS RAILROAD TYPE STEAM SHOVELEQUIPPED WITH CATERPILLAR TRACTION. the; carr formgrader This appliance, manufactured by Ed-ward G. Carr, is a locomotive machine,provided with a cutter drive held againstthe blade line by a hair spring and keptin exactly the proper position by a handwheel turned by the operator so asalways to insure the proper depth of cutter knives only 2-inches wide areprogressively set to cut a trench 8 incheswide through the shoulder earth. The formgrader works from its ownpower, cutting 300 to 700 feet per hourunder ordinary conditions, has a reversegear and traveling speed of 4,000 feetper hour for moving from job to job, andcan easily be run on a truck under itsown power without THE CARR FORMGRADER. PUBLIC WORKS. CITY COUNTY STATE A Combination of MUNICIPAL JOURNAL and CONTRACTING Vol. 52 April 29, 1922 No. 17 Gilboa Dam Construction * Quarries, sand pits, washing and screening, concrete mixing and placing. Stone for concrete and for ashlar masonry is de-rived from the excavation for the main dam andfrom the Riverside and Stevens Mountain of the Cyclopean stone is excavated at the damsite and is handled by the main cablevvay there. Theconcrete stone, excavated at the same place, was atfirst handled by steam shovels, dump cars and steelderricks, which were afterwards superseded by themain cableway that receives the stones in large skipsand dumps them into a loading hopper, delivering to4-yard cars, which lUn down-grade on a woodentrestle 70 feet long and are carried above the spoilbank, where the waste is deposited, to a Number 5gyratory Austin crusher installed at the Churchillplant. The crusher is served by a stiff-leg derrickwith 45-foot boom.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmunicip, bookyear1896
