| Description | Photocopied articles comprising:
"The Change of Visual Sensitivity with Time" in 'Proceedings of the Royal Society of London, Series B', vol. 123, number 830, (1937);
"The Luminous Efficiency of Light entering the Eye Pupil at Different Points and its Relation to Brightness Threshold Measurements" in 'Proceedings of the Royal Society of London, Series B', vol. 124, number 834, (1937);
"The Scopotic Visibility Function" in 'Proceedings of the Physical Society', vol. 52, (1949), including a photocopied request for this paper from IBM Data Systems Laboratory Library by George R Price. |