Leo III software preservation

Facilities for running genuine Leo III software systems are accessible here.

Our project mostly happens on a small server which may not be up 24/7:

But the digitised manuals have been copied over to:

The main thrust of the project is the production of an environment within which original Leo III software can be experienced at verious levels, from a quick example run to detailed appreciation of the implementation.

Our original material was a box of lineprinter listings of systems software, and original manuals for the system. Via a separate source, we received a fairly mysterious box of paper tapes which are described here.

This project is still a work-in-progress. A step-by-step account of the rescue is here.