3.5" computer discs containing
- Made:
- 1993 in Great Malvern
- maker:
- C J Baddiley
3.5" computer discs containing: 1. A thermal image of the Moon containing hotspots; 2. A comet orbit programme; 3. The development of a double spiral galaxy; 4. A Hertzsprung-Russell diagram generator; 5. Multi-body star orbit programmes