This folder contains daily and monthly reports, in a variety of formats, relating to storage battery sales. Included is information that pertains to orders received, cells assembled, and shipments made, as well as the details of billing and inventory. In addition to summarizing this data, the monthly reports provide information regarding the expenses, salaries, and sales of individual salesmen. Included are reports prepared by Harry F. Miller, H. G. Thompson, and F. R. Blair. Many of these reports were routed to Edison for his examination, and a small number contain his marginal comments. There are also letters of transmittal and attachment by Edison and H. A. Altengarten.

A sample of less than 10 percent of the documents has been selected. The items selected are those bearing Edison marginalia.