802 020 Triangle reduction scale 1 - Architect
Year: 1980

802020 Triangle reduction scale 1 - Architect

Made of white dimension ally stable plastic.
The precision divisions are numerated both ways.
Dimension markings in cm and m for easier working.
With 2 colored flutings.

1:10, 1:20, 1:25, 1:50
1:75, 1:100, 1:125, 1:200,
1;250, 1:500, 1:750 1:2500

1980. version was same but not colored, colored version appeared by 1984.
Also 802 019 and 802 024 were not available in 1980. and appeared by 1984.

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