63.5 MB (1.3 MB compressed)
4080 x 5440 pixels
34.5 x 46.0 cm ⏐ 13.6 x 18.1 in (300dpi)
TEK IMAGE / SCIENCE PHOTO LIBRARY TEK IMAGE / SCIENCE PHOTO LIBRARY
School equipment. Protractor (left), a pair of compasses and pencil (centre), a round bottomed flask (upper right) a pen and pencil (lower right) and an electronic calculator (lower centre). A protractor is used to measure angles, it has a ruler at its base, with graduated markings to measure distances. A pair of compasses is used to draw circles. Electronic calculators are used to carry out complex calculations quickly.
Model release not required. Property release not required.