. The Street railway journal . ventilators, marked E E, constructedin such a way that no air can pass into the car at these points, butthe ventilators exhaust or draw the hot air out when the car isrunning. It will be noted that this recess C C, not only connectsdirectly with the interior of the car, but that it also connects withthe roof space HUH, between the millboard ceiling and the August 29, 1903.] STREET RAILWAY JOURNAL. 389 main deck, and that this space, which in ordinary tram cars is adead air space, without means of escape, is thoroughly ventilatedby this arrangement. If required, a
. The Street railway journal . ventilators, marked E E, constructedin such a way that no air can pass into the car at these points, butthe ventilators exhaust or draw the hot air out when the car isrunning. It will be noted that this recess C C, not only connectsdirectly with the interior of the car, but that it also connects withthe roof space HUH, between the millboard ceiling and the August 29, 1903.] STREET RAILWAY JOURNAL. 389 main deck, and that this space, which in ordinary tram cars is adead air space, without means of escape, is thoroughly ventilatedby this arrangement. If required, a further outlet for the hot air in the top of the carmay be provided for by perforating the millboard ceiling to con-nect with this space and indirectly with the ventilators on the out-side of the car. It will also be noted that this exhaustion of the air by the ven-tilators through the recess and roof space is not arranged withany means for preventing their action and the escape of the foul THE ENGINEERING OF HEATING SYSTEMS. Street Railvteiy Journal FIG. 4.—DIAGRAM OF VENTILATING ARRANGEMENT hot air continually taking place. The effect of this constructionand arrangement of ventilation is that the interior of the car isconstantly provided with a circulation of fresh air into, and thefoul air out of, at the points named absolutely without dangerousor annoying draughts. The application of this principle of ventilation to the car lendsitself to a very satisfactory treatment in the way of interior de-sign and general finish, which adds very largely to its accompanying photographs clearly show this. The woodworkconnected with the interior finishing is done in oak and mahogany,and has been treated in an entirely original way, much to theadvantage of its general appearance. TRUSS PLANK HEATERS FOR CROSS-SEAT CARS One of the improvements brought out recently by the Consoli-dated Car Heating Company, of Albany, is the use of a longitudi-nal heater for cross-seat cars
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
