Miscellaneous bundles of notes, calculations and narrative. Various dates, beginning December 1960, but mainly July and November 1961.

The notes are on list processing, and may be related to the Film Store Test Equipment of the EMIDEC 2400; miscellaneous information sheets and function tables, annotated by Strachey, about the Film Store Test Equipment are included with the notes, and one bundle is headed 'Film Test Store. LISP'.