A binder containing the following reports:

- 1 'Junction Transistor Equivalent Circuits', 7th March 1957

- 1R 'The Use of Transistors with a Ferrite Matrix for Storage in Computers', 25th February 1957

- 2 'High Frequency Amplification using Junction Transistors in the Grounded Emitter Configuration', 26th June 1957

- 3 'The Design of Logical Circuits, using Transistors and Square Loop Ferrite Cores', 1st July 1957

- 4 'A Stable Transformer Coupled Low-Level Grounded-Base Amplifier', 25th September 1957

- 5 'A Phase Operated Relay Using Junction Transistors for Power Supply Protection', 21st August 1957

- 6 'A Portable Transistor Radio Receiver', 16th October 1957

- 7 'The Design of a Standard Block for a Digital Computing System', TP394 1959, Reprinted from Mullard Technical Communications Vol 4 No 38 April 1959