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sary one can be made to accommodate as many as 120 persons. The doors are so arranged that all are opened together by one move of a lever, but are closed sepa rately. The piatforms at the stations being level with the fioor of the coach, no steps are necessary, and con sequently much time is saved in this way. These cars have been especially constructed .for World's l<'air ser vice, but I am told it is the intention of th" company to con vert them into furniture cars as soon as the Exposition closes.doi:10.1038/scientificamerican08271904-142a fatcat:5zpdupv2uze2jjdbnkshmvfusa