This folder contains correspondence pertaining to Edison's former laboratory in Menlo Park, New Jersey, and to real estate matters in that vicinity. Included is a letter from George F. Morrison of the General Electric Co. expressing an interest in preserving the "the small building at Menlo Park in which the first commercial incandescent light was made."

Approximately 80 percent of the documents have been selected. The unselected material consists of unsolicited correspondence concerning the sale or purchase of real estate.