50.6 MB (3.3 MB compressed)
4657 x 3795 pixels
39.4 x 32.3 cm ⏐ 15.5 x 12.7 in (300dpi)
LAWRENCE LAWRY / SCIENCE PHOTO LIBRARY LAWRENCE LAWRY / SCIENCE PHOTO LIBRARY
Geometry set. Plastic instruments used for geometry and technical drawing. The main view is of a protractor, used to measure angles. Parts of a set squares (top right), used to draw a fixed angle, and a ruler (bottom right), used to measure distance, are also seen.
Model release not required. Property release not required.