STANCLIFFE AND DRAPER |
USA, fl.1828-32, MIM OIM PHIM SIM |
Wye Levels = Franklin Institute, Philadelphia, Pa. and the New York Central & Hartford Railroad which had a Wye Level in 1874; Wye Level and Compass = Hagley Museum, Wilmington, Del. |
Benjamin Stancliffe and Edmund Draper; T.C. |
118 South Front Street, Philadelphia, Pa. |
Smart 1; USNM; Miller. |
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