This black & white photographic study covers the switchers and Road-Switchers of the New Haven railroad beginning with the 1931 class DEY-1 ALCO demonstrator switcher of 1931 up through the GE U25bs of the early 1960s. In between are the various switcher and Road-Switchers produced for the New Haven by ALCO, GE, EMD and Fairbanks-Morse.  Bob's Photo 2005. New SB. 48pp. O6-6H2A-W2IL