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Nib of a ballpoint pen, SEM

Nib of a ballpoint pen, SEM

C001/0089

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Credit

STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY

Caption

Nib of a ballpoint pen, coloured scanning electron micrograph (SEM). Ballpoint pens have an internal chamber filled with a viscous ink that is dispensed at the tip during use by the rolling action of a small metal sphere (grey). The ballpoint pen was invented in 1938 by Hungarian journalist Laszlo Biro (1899-1985) and was quickly adopted by the British Royal Air Force to solve the problems of writing at high altitudes. In 1953 Marcel Bich (1914-1994), developed a process for producing ballpoint pens at low cost, making the pens an everyday item. Magnification: x15 when printed 10 centimetres wide.

Release details

Model release not required. Property release not required.

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