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BUILDINGS AND STRUCTURES OF AMERICAN RAILROADS.

the oil, waste, and lamp rooms by round, No. 22 gauge, galvanized sheet-iron ventilators at the peakof the roof, one over each room.

Fig. 205.—Front Elevation.

Fig. 207.—Longitudinal Section.

Fig. 206.—End Elevation.

Fig. 208.—Cross-section.

Fig. 209.—Ground-plan.

Brick Oil-storage -House at Western Avenue , Chicago , ///., Chicago , Burlington &* Quincy Railroad.■—The oil-storage house of the Chicago, Burlington & Quincy Railroad at Western Avenue, Chicago ,Ill. , shown in Figs. 210 to 213, prepared from data kindly furnished by Mr. Wm. Forsyth, Mechani-

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■sSTOAflce Tank

Fig. 210.—Longitudinal Section.