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Houston
Instruments multi-pen plotter, DMP 52 (1989)
Image
shows pen plotter with a 7 pen carriage, one of two carriages
providing a 14 pen capability. This was the plotter used for all the
work shown with the original Utrecht paper. Later plotters reduced the
carriages to 8 pens. By the mid-90's my work rarely went beyond a 5
color palette.
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