B&M_1271_Jul10_1987_Brian_Solomon_444110©Brian_Solomon December 14, 2012 705 × 1023 Locomotive Geometry: Part 1 Former Boston & Maine Alco S4 1271 was on a siding at Middleborough, Massachusetts, on July 10, 1987. Warm afternoon sun was ideal for a study with Kodachrome, so I put my recently purchased Leica M2 and 50mm Leitz Summicron to work. Like this:Like Loading... Old Alco switcher. Share this:FacebookTwitterLike this:Like Loading...