25.0 MB (589.7 KB compressed)
3500 x 2500 pixels
29.7 x 21.1 cm ⏐ 11.7 x 8.3 in (300dpi)
POWER AND SYRED / SCIENCE PHOTO LIBRARY POWER AND SYRED / SCIENCE PHOTO LIBRARY
Yale lock and key. Coloured scanning electron micrograph (SEM) of the teeth a key (gold) and a Yale lock. Magnification: x3.5 at 5x7cm size.
Model release not required. Property release not required.