112 artifacts · last accession 14 MAR 2016 · index rev. 4
SECTION I
Notebooks
001–014 · 14 items · OPEN
The Aperture Notebook and its companions. Written in the subject's hand,
1861–1943. Includes the fever-room pages (Gospić, 1873) and the final
nine lines (Room 3327, 7 January 1943).
14
SECTION II
Letters
015–068 · 54 items · CL-2
Correspondence with Mrs. Katharine Johnson (327 Lexington Ave.),
J. Pierpont Morgan, Mark Twain, Stanford White, and others. Includes
the Morgan letter of 6 July 1903 and its cross-linked memoranda.
54
SECTION III
Ledgers & Records
069–081 · 13 items · CL-2
The Tesla Electric Co. payroll books, the Scherff second column,
the Kelley folder of the New York World, and the Weiss
labor agency receipts.
13
SECTION IV
Audio & Spectrograms
082–090 · 9 items · CL-2
The Colorado Springs receiver signals of October–November 1899.
Reconstructed tower hum, 1903. Signal analysis, 2016 declassification.
9
SECTION V
Seizure & Inventory
091–106 · 16 items · CL-2
The Office of Alien Property seizure log of 9 January 1943.
Agent W. Gorsuch's field notes. Chain-of-custody through NARA, 2016
declassification memorandum.
16
SECTION VI
The Iyer Papers
107–112 · 6 items · CL-2 + CUSTODIAL
Materials deposited by Dr. Sangeeta Iyer (1998–) at Butler Library,
Columbia University, with restricted access. Includes the sealed
envelope marked "To be opened fifty years after my death."
6