Ballpoint pen nib detail Science Image

Ref: 80012698



Ballpoint pen nib detail. Coloured scanning electron micrograph of the ball at the nib of a ballpoint pen. The ballpoint pen was invented in 1938 by Hungarian journalist Laszlo Biro. Production began in 1944 and it was quickly adopted by the British Royal Air Force to resolve the problems that pilots had in writing when flying at high altitudes. Magnification x25 at 10cm wide