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Mapcase folder 49

 Container

Contains 1 Result:

Patent bridge "Colossus” [composite], Undated

 File — mapcase folder: 49
Scope and Contents

11 individual plans, 8 of which also appear as separate pieces elsewhere in the collection; the 2 others are: "Schuylkill Permanent Bridge, built by Timothy Palmer" and "Patent Bridge 'Colossus' across the River Schuylkill at Philadelphia, built by Lewis Wernwag." [part of ARB Pl. IX]

Dates: Undated