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Burt, Hildreth & Company Records
Paul Steam-Heating System Company Records
Kenneth T. Norwood Dam Slides
Phil Jordan Collection
- Topic:
- Graphis (Serial)
- Communication Arts (Serial)
- Skylines (Newsletter)
- Air & Space (Serial)
- Smithsonian (Serial)
Forever (44c-49c) Civil War Sesquicentennial - General (Scott Catalogue USA 4522, 4523, 4664, 4665, 4787, 4788, 4910, 4911, 4980, and 4981) (includes one CD)
Miami Conservancy Dam Project
Kingsford Foundry & Machine Works Records
Lackawaxen Canal Survey Profiles
New York State Barge Canal Photographs
General Motors Research Laboratory Collection
Boston Terminal Company Records
Brooklyn Edison Company Records
American Society of Civil Engineers Oral Histories
Gene Nora Stumbough Jessen Papers
Division of Work and Industry Lantern Slide Collection
C-242 Erecting a truss by Cantilever method
20-28 St. John Cantilever