A steel hopper car built in England for the Bengal Nagpur Railway, around 1906.

Original description: "... 24 in. deep at the center, this depth being maintained for a distance of 10 ft. 9 in. The side stakes are5 in. by 2??? in. by 5-16 in. channels and 4 in. by ??? in. by ??? in. tees, the depth of the car side being 5 ft. ?? in. The inside length of the car at the top of the hopper is 35ft. and the top members of the body frame are ??? x ???. in. angles. The plates used in the body are for the most part 7 lb. and 10 lb. per sq. ft. The trucks are of a built up type, the frame used being made of ??? in. plates with channel transoms and end sills. They have 37 in. diameter wheels and a wheel base of 6 ft., the distance between the center pins being 29 ft. 3 in. The hopper doors are operated horizontally by racks and pinions through the medium of Bramptons rail chains which are ???ported on the trucks that the hopper hangs between them and comes close to the track at the bottom. The center sills are 10 in. channels, weighing 19.85 lb. per ft. and extend between the ?? in. by 10 in. channel end sill and the body bolster which is built up of 10 in., 50 lb. channels and top and bottom cover plates 28 in. by 5-10 in. enclosed in special cases, the gearing being operated by hand wheels on either side of the car. The brakes are of the combined vacuum and hand lever type, having 21-in.cylinders with separate 14 in. diameter vacuum chambers. Both brakes operate on all the wheels of the car. The cars were tested with a load of 179,000 lb. or 44,800 lb. per axle without any trouble resulting. The following table gives a list of the principal dimensions: Length over buffers 44 ft. 11 in. Length over end sills 40 ft. 9 in. Length of body 35 ft. "

From "The Railway Mechanical Engineer", 1906. Scan from the Internet Archive of Book Images.