[The following note describes a series of notebooks and has no document records attached to it. For that reason, a "no Documents found" message will appear if the "List Documents" button at the bottom of the note is used. To see the records in the notebooks described here, use the "Which Series Notes?" button to enter the Series Notes or use the "Next Text" button to move to the first item in the series.]
The 549 notebooks in this group cover the period 1909-1929. They were used by Walter N. Archer, Elmer E. Dougherty, John A. Hanley, Miller Reese Hutchison, Paul D. Payne, Harold H. Smith, and numerous other experimenters. Six books with indications of oversight or involvement by Edison have been selected in whole or in part.
The notebooks are arranged in six subgroups:
