This folder contains correspondence and other documents relating to personal matters, along with documents that deal with more than one subject or that do not fall under the main subject categories. Among the items for 1874 is a letter from George E. Preece, secretary of the Society of Telegraph Engineers in London. Also included is a draft circular for Edison's inductorium, an electromedical device for administering electric shocks.
The documents appear in the following order: individually indexed documents; unindexed bills and receipts; unindexed checks.
[D7401A], Letter from Thomas Alva Edison to M Jackson, April 24th, 1874 1874-04-24
[D7401A1], Memorandum, Charles Batchelor, May 1874 1874-05-00
[D7401B], Letter from Society of Telegraph Engineers (London), George E Preece to Thomas Alva Edison, September 25th, 1874 1874-09-25
[D7401C1], Memorandum, Charles Batchelor, 1874 1874-00-00
[D7401C2], Bill/Receipt from William Unger to Thomas Alva Edison, December 24th, 1874 1874-12-24
[D7401E], Publication, Thomas Alva Edison, Charles Batchelor, 1874 1874-00-00
[D7401F], List, Thomas Alva Edison, 1874 1874-00-00
[D7401G], Bill/Receipt from Thomas Alva Edison, 1874 1874-00-00
[D7401H], Check from Thomas Alva Edison, 1874 1874-00-00