4,281 documents - page 1 of 215
Erasmus D. Leavitt Papers
John A. Roebling Collection
Negative 58, Coxe Estate Coal Laboratory, interior view, Drifton, Pennsylvania
Glass Plate Negatives and Photographs
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
36, Boiler House #10 Eckley
37, Pipe Supports for Beaver Meadow New Breaker
37, Pipe Supports for Beaver Meadow New Breaker
37, Support for Steam Pipe Cast Iron
38, Eckley #10-5" Steam Line
38, Eckley #10-5" Steam Line