(BALDWIN LOCOMOTIVE WORKS) The coal-burning passenger locomotive Alexander Mitchell. Albumen print, the image measuring 10 3/4x16 3/4 inches (27.3x42.5 cm.), the mount 17 3/8x21 7/8 inches (44.1x55.6 cm.), with the photographer A.H Temple's printed gilt-lettered credit and title on mount recto; in a period frame. Circa 1877
This locomotive is known as an American type, wheel arrangement is 4-4-0, and was probably built for the Lehigh Valley Railroad in the early 1870s.
Railway Officials of America (Railway Age Publishing Company, Chicago, 1877), p. 220