National Geographic : 1951 Jun
715 Air Force Color 1'hto Brooklyn Bridge, Opened 68 Years Ago, Was the First of Six East River Spans The builders, John and Washington Roebling, here introduced steel suspension cables spun in midair. On the-job accidents killed the father, crippled the son. For years the latter directed work from a sickbed. A 16-year job, the bridge was hailed as the engineering marvel of the century. Here it wears fresh rust-preventive paint.