Railway Postal Car Small 320×127 Medium 640×254 Large 1024×406 Download Tiff Original 2400×951 | (490.4 KB) Description The all-steel postal car was first used by the Erie Railroad. The first of the type was built by the Standard Steel Car Company of Butler, Pa. Keywords caboose, locomotive, train Galleries Rail Transportation Source: Fredrick Converse Beach, Editor The Americana: A Universal Reference ( New York: Scientific American, [c1912]) 17: Railway Car