Cathode Collection

A Calculating machine, 1949
A double page spread from the Illustrated London News, 1949, reporting on the automatic sequence controlled calculating machine at Manchester University

Finished electronic valves, Ernest Turner Electrical Instruments factory, High Wycombe in 1951

Ernest Turner Electrical Instruments factory, High Wycombe in 1951

Military radar in wartime by G. H. Davis
Military radar: how this vital secret weapon helped the Allied land forces to achieve final victory during the Second World War. Date: 1945

Use of radar in the war at sea by G. H. Davis
Radar in the war at sea: some ways in which the Royal Navy used this weapon during the Second World War. Date: 1945

A Calculating machine
The control panel of the automatic sequence-controlled calculating machine at Manchester University; showing the monitor cathode-ray tube with Dr. T. Kilburn (left) and Professor F. C

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