Invented by Ladislao Biro
Patented and marketed by Marcel Bich
First produced 1950 and still going strong
The Bic Biro is a ballpoint pen approximately 145mm long and diameter of 9mm.
The transparent barrel is hexagonal.
It is made from polystyrene (transparent barrel), polypropylene (lid), tungsten carbide (ball) and brass/nickel silver (tip).
It comes in a choice of 4 ink colours: blue, black, red and green.
The colour of the lid and the end cap indicate the colour of the ink.
The point size of the Bic Cristal is one millimetre and it will write for a distance of between two to three kilometres.
From http://www.coursestuff.co.uk/ENVT1010/designed-world/bic-ball.html
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