28.4 MB (2.9 MB compressed)
2794 x 3558 pixels
23.6 x 30.2 cm ⏐ 9.3 x 11.9 in (300dpi)
POWER AND SYRED / SCIENCE PHOTO LIBRARY POWER AND SYRED / SCIENCE PHOTO LIBRARY
Pencil. Coloured scanning electron micrograph of a sharpened pencil. The pencil consists of a thin rod made of clay & graphite (grey), a type of carbon, encased in wood (brown). The mixture of graphite and clay is often incorrectly referred to as the "lead". Magnification: x48 at 6x7 cm size.
Model release not required. Property release not required.