34.0 MB (3.0 MB compressed)
2302 x 5159 pixels
19.6 x 43.7 cm ⏐ 7.7 x 17.2 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: x8 at 5x7cm size. Magnification; x28 at 25cm x12cm size.
Model release not required. Property release not required.