This folder contains correspondence, minutes, and reports relating to operations at the Dunderland works and other company matters. Most of the documents are copies of progress reports from Stephen Hungerford Pollen, manager and secretary of the Dunderland Iron Ore Co., Ltd., to J. A. Selway, acting secretary. There is also correspondence by William Simpkin, the draftsman responsible for executing Edison's designs. Some of the items concern Edison's approval of alterations in the crushing rolls. A few letters deal with operations at his cement works in Stewartsville, New Jersey.

Approximately 80 percent of the documents have been selected. A few of the unselected items pertain to the death of Sir David Dale, chairman of the board of directors.