Subseries J, Photographic material, 1846-1895, undated (#VF.1-FV.4, VF.x), contains various sketches, graphs, prints, photographs, drawings, etc.; relating to Casey's work on the Washington Monument. Such items include visual documentation on the obelisk, foundation, buttresses, plummet, oscillatio...
Date:
1846-1895, undated
Collection:
Casey family papers
GUSN:
302832
Ref. Code:
MS008.38.10