. The Street railway journal . OWING HINGED WINDOW railway car construction. These features are principally an im-proved method of ventilation) and an improved design of interiorfinish, which have helped to produce a very satisfactory car a longway in advance of what has come to be universally known as thePreston standard top-seat car. The provision made for ventilation will be readily understoodfrom the accompanying Fig. 4. which shows a cross section of atop-seat tram car roof constructed to provide for an inlet of fresh the hinged windows already referred to. This increased supplyis provide
. The Street railway journal . OWING HINGED WINDOW railway car construction. These features are principally an im-proved method of ventilation) and an improved design of interiorfinish, which have helped to produce a very satisfactory car a longway in advance of what has come to be universally known as thePreston standard top-seat car. The provision made for ventilation will be readily understoodfrom the accompanying Fig. 4. which shows a cross section of atop-seat tram car roof constructed to provide for an inlet of fresh the hinged windows already referred to. This increased supplyis provided for by a hinged sash on each side of the end door ineach end of the car, marked on the diagram F F. These sashescan be opened in exactly the same way as the sash A A at thesides when additional fresh air is required. They are also pro-vided with perforated louvre panels G G, on the outside, and beingin the end of the car they admit of a large supply of fresh airpassing into the car without interfering with the arrangement of. FIGS. 2 AND 3.—INTERIOR VIEWS OF CAR %ir, and an outlet for the foul hot air that ascends to, and fills, theupper part of the car. The inlet for fresh air is provided for through the usual lineof hinged windows placed above the large fixed glass windows,universally used in recent tram car work. These hinged windowswere first adopted by, and have since become an essential featureof, the Preston standard top-seat car. They are shown in thediagram at the points marked A A, and the circulation of the airthat takes place from the outside into the car is shown by thearrows marked B B. These hinged windows, which are arrangedin the outside walls of the car on each side, have proved to be theSest means for the admission of fresh air into the car that hasyet been devised, and it is said that they have been universally colored signal lenses, and without allowing the admission of waterin wet weather. The outlet for the foul air has been provided for by a recessma
Size: 2495px × 1002px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
