Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The ward sand and gravel company operation at Oxford, Michigan
System of pumping designed by F. L. Ward and applied by him to sand and gravel production; Ward system is application of hydraulic elevator or hydraulic ejector; new dredge; is two-story structure of steel frame covered with wooden siding; barge has hopper 120 ft. long and 20 ft. wide at top, sides sloping at 55 deg., from horizontal and holds from 500 to 600 tons; washing and screening plant.
The ward sand and gravel company operation at Oxford, Michigan
System of pumping designed by F. L. Ward and applied by him to sand and gravel production; Ward system is application of hydraulic elevator or hydraulic ejector; new dredge; is two-story structure of steel frame covered with wooden siding; barge has hopper 120 ft. long and 20 ft. wide at top, sides sloping at 55 deg., from horizontal and holds from 500 to 600 tons; washing and screening plant.
The ward sand and gravel company operation at Oxford, Michigan
Rock Products
Rock Products ; 31
1928
8 pages
31 Figs.
Aufsatz (Zeitschrift)
Englisch
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