The decision to employ direct rather than diffraction recording in the Lincoln Training System (LTS) is reported. This resulted from the findings that direct recording was practical at higher densities than previously thought possible and that rapid access to a number of fiche would compensate for the limited number of frames per fiche realized…

The current status of the Lincoln Training System (LTS) is reported. This document describes LTS as a computer supported microfiche system which: 1) provides random access to voice quality audio and to graphics; 2) supports student-controlled interactive processes; and 3) functions in a variety of environments. The report offers a detailed…