30.6 MB (4.8 MB compressed)
2949 x 3624 pixels
24.9 x 30.7 cm ⏐ 9.8 x 12.1 in (300dpi)
SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY
Watch gears. Coloured scanning electron micrograph (SEM) of the internal mechanism of a wristwatch. The crown wheel (lower right) is part of the watch's winding mechanism. The mainspring (far left) is compressed when the watch is wound. The other cogs visible comprise the "motion work" which drives the hands to display the time on the watch face. Magnification: x8 at 6x7cm size.
Model release not required. Property release not required.