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