Show Safe Made of Concrete A concrete safe has been Installed 1 In the office of an engineer on a Canadian Cana-dian barge canal The safe Is used by the engineers to preserve their records rec-ords drawings and fine Instruments rain tho weather and as a precaution igalnst fire The safe In question has i steel door and asbestos lining with combination lock and Is molded of concrete In one piece The cost Is little compared to that of a steel safe and for nil practical purposes they areas are-as good When the engineer moves to another place tho concrete shell 1 can bo stripped from UH door and lining lin-ing and another safe constructed else where from tho same wooden forms The safes used by time state In time barge canal work measure about three feet in clUunutur on the Inside |