Tandy CGP-155 plotter routines for the BBC Micro-computer /
Gillham, M.,author.
Kelman, K.,author.
Scottish Institute of Agricultural Engineering.
"Not for publication."--on the title page.
"Scottish Institute of Agricultural Engineering."--at the head of the cover.
Report dated November 1984.
Includes bibliographical reference (page 11).
BBC Microcomputer
XY plotters.