. The street railway review . street car vestibule is comparatively a new product,as it is only within the last three winters that it has comeinto use to any extent. Its use has been compelled bv law insome states, but there is undoubtedly a growing sentimentin favor of it on the part of managers, even where its useis not compulsory. In view of the infancy of the street carvestiliule it will be of interest to compare notes and seewhat have been found to be good forms of construction bvthose roads that have used vestibules. COMPLETELY CLOSED VESTIBULES ON THE CALUMET. H. M. Sloan, general manag
. The street railway review . street car vestibule is comparatively a new product,as it is only within the last three winters that it has comeinto use to any extent. Its use has been compelled bv law insome states, but there is undoubtedly a growing sentimentin favor of it on the part of managers, even where its useis not compulsory. In view of the infancy of the street carvestiliule it will be of interest to compare notes and seewhat have been found to be good forms of construction bvthose roads that have used vestibules. COMPLETELY CLOSED VESTIBULES ON THE CALUMET. H. M. Sloan, general manager of the Calumet ElectricStreet Railway of Chicago, believes that a vestibule canhardly be called a success as a device to keep motormenwarm unless it is entirely closed in. If a vestibule is notentirely closed the eddy currents of air are apt to make itnearlv as uncomfortable for a man as if there were no ves-tibule whatever. Mr. Sloan has had considerable experi-ence with cold weather, and believes in fully protecting the. CALUMET VESTIBULE ON NEW CARS -FOLDING DOOR SWINGSFORWARD. men. With the assistance of W. A. Harding, mastermechanic, he has equipped all the closed cars of that linewith vestibules, which are fully closed with wood whenoccupied by the motorman. Some new cars bought this fallhave also been fitted with the same type of vestibule. Theold cars which have been equipped with vestibules havedouble doors, one of which swings in on hinges against thecar body and the other swings back against the vestibulefront. One of our engravings shows the doors slightly ajaron this type of vestiliule. To fill the space over the stepbetween the bottom of the doors and the edge of the plat-form a strip of wood is provided which the motorman car-ries from one end of the car to the other. On the new carsthere is but one door, which is hinged in the middle andswings back against the controller. It can be held back bya hook. In this case the space over the step is covered bya trap d
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