This folder contains correspondence, agreements, company minutes, and other documents relating to telephone companies in the United Kingdom. Much of the correspondence pertains to the business of the Oriental Telephone Co., Ltd. and the United Telephone Co., Ltd. Other documents deal with the ongoing dispute over the validity of the patent for the Edison transmitter. Most of the correspondence is by Edison's associate George E. Gouraud.

All of the documents have been selected except for duplicate copies of selected documents and copies of cable messages in Letterbook, LM-001 (Letterbook Series).