63 page report on the LEO computer including text description and ‘small block schematic diagrams’ for submission to the Patent Office. The report has the handwritten and stamped mark ‘Presented 27 July 1951’.
Leather cover and card folder housing for submission of the patent ‘A Short Description of the EDSAC Type Calculator Circuits used in LEO by J.M.M.Pinkerton, M.A.,Ph.D’. (25 July, 1951).