The Washington Bridge Over the Harlem River, at 181st Street, New York City: A Description of Its Construction, Band 1L. von Rosenberg, 1889 - 90 Seiten |
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2d test ANGLES Aqueduct arch ribs asphalt beams beds BENDING blue-stone bolts Bowlders buckle plates Building caisson CENTER LINE certificate Chief Engineer City coal-tar Commissioners compression concrete construction contract Contractors cornice cross Croton Aqueduct cubic yard cup Full cup cup Partial cup DEAD LOAD depth DERRICK diameter ELEVATION excavation Extrados face feet FLANGE FLANGE STRAINS floor floor-beams foundation of piers furnished GEORGE W. G. FERRIS gneiss grade granite Granite in piers Gravel gutter half inches Hard Rock HARLEM RIVER BRIDGE HOIST Intrados joints laid LAND SPAN lineal foot longitudinal MANUFACTURERS masonry material mean high water mortar MOVING LOAD parapet Passaic Rolling Mill pavement paving PEDESTAL pipes PLAN Portland cement POST pounds per square rivets roadway Rosendale ROUND ROD rubble Sand SCALE SECTION SEGMENT Shist side silky Silt Soft Rock square inch STREET surface temperature thereof thickness Undercliff vertical voussoirs WASHINGTON BRIDGE WEBPLATE width York ΙΟ