Physical description
Report - Foolscap 21 typed pages, 18 bound sheets of diagrams and 1 loose diagram, with card covers, with red binding strips, titled "A discussion on fundamental aspects of underground tram operations that are of importance for the preliminary design', dated July 1966.
Looks at the design aspects, tunnel sections, size, passenger access (all stairs), direction of operation - allowed for reversal of running, curvature, turnouts and cross overs, gradients, storage sidings, freight, ventilation and emergency uses.
A loose sheet of a doubled deck Liverpool tram. Vehicles modelled included double deck buses and suburban trains including W class trams.
Inscriptions & markings
In top left hand corner "Lees" in pencil