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Coloured SEM of the nib of a ballpoint pen

Coloured SEM of the nib of a ballpoint pen

H100/0465

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48.3 MB (48.0 MB compressed)

4989 x 3384 pixels

42.2 x 28.7 cm ⏐ 16.6 x 11.3 in (300dpi)

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Credit

RALPH EAGLE / SCIENCE PHOTO LIBRARY RALPH EAGLE / SCIENCE PHOTO LIBRARY

Caption

Nib of a ballpoint pen. Coloured scanning electron micrograph (SEM) of the ball at the nib of a ballpoint pen. The ballpoint pen was invented in 1938 by Hungarian journalist Laszlo Biro. It was adopted by the RAF in 1944 to resolve the problems pilots faced in writing when flying at high altitudes. In 1953 Bich, a French baron, developed a process for producing ballpoint pens at a low cost. We now buy three thousand million of them every year. Magnification unknown.

Release details

Model release not required. Property release not required.

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