| Sub-Type | Models |
|---|---|
| Origin | USSR |
| Type | Engineering/ Surveying |
| Period | 1951 to Present |
| Material | Paper |
| Country of Origin | Russian Federation |
Check the listing for details. USSR Informatics Poster – Computational Model of Light Refraction, 1989. Condition: Used, Made in Russian Federation. Listed at 16.24 USD. A rare and authentic1989 Soviet educational wall chart from the landmark informatics series. “Solving Problems Using Computers”, designed for 10th-grade classrooms. Published by: Prosveshchenie, Moscow, 1989.