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Nora Speyer and Sideo Fromboluti papers
Division of Work and Industry Lantern Slide Collection
Charles Isaacs Collection
Creeper traveler erecting cantilever arm, Monaca End
Gantry traveler placing first panel of cantilever arm, Monaca end
C-84 North shore traveler erected being equipped, also showing the office building and power house to the left
C-85 End elevation of the traveler showing the four tracks on which it was carried and temporary outside girders to support outside tracks
C-239 Creeper traveler erecting cantilever bridge at Beaver, Pennsylvania
Raising gauntry traveler, Beaver End
T-34 Cantilever arm and creeper traveler
55-37 Quebec Bridge, traveler in working position
Gz-21 Memphis Bridge, traveler as used on east end
Correspondence to and from Brumbaugh, Thomas B
Correspondence, Andrews, Ambrose - Harding, Chester
Correspondence, Harrington - Moser
Correspondence, Palmer, Erastus - Widener, P.A.B
Charles Lang Freer Papers
Creeper traveler setting top chord section, middle panel, suspended span
Figure, Traveler for erecting trusses over main court of manufactures and liberal arts building
53-172 Traveler for erecting footbridge in center span