Top left image: trolley car #469 with railroad conductors in Hartford, Conn. Top right image: vestibuled open cars at Old East Hartford Barn in... Show moreTop left image: trolley car #469 with railroad conductors in Hartford, Conn. Top right image: vestibuled open cars at Old East Hartford Barn in 1929. Bottom left image: advertisement for crushed trap rock, delivered by trolley car, from D. F. Keenan in Hartford, Conn. Bottom right image: trolley car #65 at Hartford, Conn. Show less