The series contains a basic model of the ferry with slider (undated), and diagrams of various aspects of the system as follows:
- Mechanical Parking System. Diagrammatic layouts showing various working positions of mechanical parking device (06 Jun 1960);
- General Arrangement of Vehicle Ferry for Mechanical Parking System (01 Oct 1959);
- Mechanised Vehicle Parking System. Arrangement of working head and ram units (01 Oct 1959, further annotation 30 Apr 1965);
- Struben Parking System - (as demonstrated by Commander H G D de Chair) General [Arrangement] of Vehicle Ferry (23 Jan 1958);
- Diagram[m]atic Sketch of Extension of Rollers by Jockey Pulley Mechanism (01 Oct 1959).
(All of the diagrams bar the last state that Barry Henry & Cook Ltd hold copyright).