J. G. Brill Company
United Railways and Electric Company One-Man Safety model, built as a handbrake two-man car in 1904 by J. G. Brill Company, rebuilt by UR&amp;E as a one-man safety car in 1924, rebuilt again by BTCo as a Company rail conductivity testing car and renumbered 3550, lasting in service until 1963; Returned to its 1924 appearance in a recent Museum rebuilding.