3,943 documents - page 1 of 198
Baltimore and Ohio Railroad Records
Robert Wetherill Company Records
T.B. Cryer Company Records
Washington, DC Bridges Collection
General Motors Research Laboratory Collection
Granite Shoals Dam Photograph Album
Lombard Governor Company Records
Lawrence Talma Smith Papers
United States Capitol Dome Drawings
Parsons, Brinckerhoff, Quade and Douglas Records
28, Boiler House Conveyor Oneida #3
29, Detail of Bents for Boiler House
30, Boiler House Deringer Scales 1/2" = one foot
31, Arrangement of Drag Shafting
32, Boiler House Plan #3, Stockton 1/4" to 1 foot
33, Details of Stairways and Walk
34, Arrangement of Walks and Stairs
35, Boiler House for Water Supply