Construction of Quebec Bridge: MSs of base of one of the piers showing huge steel girders. Various shots from various distances of uncompleted bridge showing both ends of bridge, center part missing, center span on shore. Sequence on center span being floated over on boats from Silbry Cove, ends of bridge before center part being fitted into place. MS of ocean liner, HAMS of ship sailing under completed bridge. [Remark: the Quebec Bridge construction began in 1900; 29/08/1907, one cantilevers collapsed killing 75 men; 11/09/1916, center part of bridge fell into the river killing 13 men; bridge was completed 00/00/1917]