[NP005B-F] PN-73-04-30 (1873?)
Notebook Series -- Pocket Notebooks
Items
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[NP005B], Technical Note, Charles Batchelor, September 7th, 1873 1873-09-07
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[NP005B1], Technical Note, Charles Batchelor, March 18th, 1874 1874-03-18
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[NP005B2], Memorandum, Charles Batchelor, 1873 1873-00-00