Proceedings, Volumen8

abutment angles approach spans Asphalt Avenue bars BASCULE BRIDGE Bevier Bldg blocks Board of Directors bolted bottom BROOKLYN ENGINEERS Brooklyn Rapid Transit building built cantilever carried center to center channel Chicago Chicago River Club Committee Company connected construction contractor cost counterweight Dept draw span electric erected flanges floor beams gear Gowanus Canal horizontal LANGTHORN-TYPES OF MOVABLE leaf live load longitudinal machinery main girders manufacture masonry Meem meter miles mortar motor MOVABLE BRIDGES Nichols Ocklawaha OCKLAWAHA RIVER operated pavement Paving pier piles pinion pipe pivot Portland cement pressure rack rail joint railroad reinforced river roadway rocker rods Rolling Lift Bridge SCHERZER BASCULE BRIDGE Scherzer Rolling Lift shaft side sidewalks square foot square inch station steam steel Strachan Street strut sub-station surface swing bridge TELEPHONE terra cotta tons track transverse TRUNNION trusses vertical welding York City