This folder contains correspondence, reports, and other documents relating to experiments and tests conducted at the West Orange laboratory. Also included are draft versions of letters in Edison's hand that pertain to tests, supplies, and other matters. There are also letters from Sherburne B. Eaton regarding bound volumes of patents purchased for Edison's library.

Approximately 50 percent of the documents have been selected. The following categories of documents have not been selected: routine correspondence regarding orders and shipments; interoffice memos; routine accounts.

Courtesy of Thomas Edison National Historical Park.