Notebook, paper with card covers, APT-E Log 24-6-75 to 11-6-76. Log book containing handwritten entries by Ray Coleman, a BR engineer working on the APT-E project. Contains details of trial runs (including some on the Old Dalby test track), faults, performance etc. of the APT-E. Additional material has been inserted into the volume including a packet of prints, cuttings and articles, typed memoranda and instructions, graphs, drawings etc. APT-E Log 24-6-75 to 11-6-76