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Size: 65 x 18 cm
Pencil and mixed technique picture
Handmade bunny stuffed toy
The structure and operation of modern day computers has been largely determined by the work of the brilliant mathematician János Neumann ( who among many other achievements also founded the mathematical discipline of the inspiration for dr
Hungarian Inventors Series-László Bíró Ballpoint pen Graphics Size: 65 x 18 cmLszl Br Ballpoint pen Did you know? Lszl Br invented the ballpoint pen that bears his name in Budapest in 1930. He noticed that the ink used in newspaper printing dries faster, keeping the paper dry and clean. This ink was lighter than standard ink, so he devised a pen with a small ball for a nib, which is kept in contact with a supply of ink. As the pen moves across the paper, the ball rotates, picking the ink up and depositing it on the paper. The
