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The original instruction text book for Mathomat from 1972 is reproduced here
The 11 comprehensive lesson plans in this book explore an exciting
as well as isometric and parallel lines for technical drawing
In secondary school:
Chemomat includes a 220mm ruler
91712 Ratios: 1: 125, 250, 400, 800, 1250, 2500, 4000, 8000 - Hand scale ruler, 300mm Printer The original instruction text bookHand Scale, 300mm, 4 bevel Ratios: 1: 125, 250, 400, 800, 1200, 2500, 4000, 8000
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