[The following note covers all the notes and drawings for 1879-1886.]
The Unbound Notes and Drawings are miscellaneous loose pieces of paper containing technical notes and drawings made between 1879 and 1886. Most of the documents are by Edison. There is also material by Charles Batchelor, John F. Ott, and other laboratory assistants. The documents relate primarily to electric lighting. Other topics include telephony, telegraphy, and electric railways. The notes and drawings appear in chronological order.
[NS79AAA], Technical Note, Charles Batchelor, January 4th, 1879 1879-01-04
[NS79AAC], Technical Note, Charles Batchelor, January 6th, 1879 1879-01-06
[NS79AAD], Technical Note, Charles Batchelor, Thomas Alva Edison, January 14th, 1879 1879-01-14
[NS79AAE], Technical Note, Thomas Alva Edison, January 28th, 1879 1879-01-28
[NS79AAE1], Patent Caveat, Thomas Alva Edison, February 9th, 1879 1879-02-09
[NS79AAF], Technical Note, John Kruesi, May 18th, 1879 1879-05-18
[NS79AAG], Technical Note, John Kruesi, June 5th, 1879 1879-06-05
[NS79AAG1], Patent Application, Thomas Alva Edison, July 17th, 1879 1879-07-17
[NS79AAG2], Technical Note, Thomas Alva Edison, July 17th, 1879 1879-07-17