As will be seen, the floor framing is made
up of two center longitudinal 6-inch I-beams and two longitudinal 5 x
3-inch steel side angles, extending in one piece from platform-end
sill to platform-end sill. The end sills are angles and are secured to
the side and center sills by cast-steel brackets, and in addition by
steel anti-telescoping plates, which are placed on the under side of
the sills and riveted thereto. The flooring is of galvanized,
corrugated sheet iron, laid across the longitudinal sills and secured
to longitudinal angles by rivets. This corrugated sheet holds the
fireproof cement flooring called "monolith." On top of this latter are
attached longitudinal floor strips for a wearing surface. The platform
flooring is of steel plate covered with rubber matting cemented to the
same. The side and end frame is composed of single and compound posts
made of steel angles or T's and the roof framing of wrought-iron
carlines and purlines. The sides of the cars are double and composed
of steel plates on the outside, riveted to the side posts and belt
rails, and lined with electrobestos. The outside roof is of fireproof
composite board, covered with canvas. The headlinings are of fireproof
composite, faced with aluminum sheets. The mouldings throughout are of
aluminum. The wainscoting is of "transite" board and aluminum, and the
end finish and window panels are of aluminum, lined with asbestos
felt. The seat frames are of steel throughout, as are also the cushion
frames.
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