Explanation : The Hungarian brothers, Laszlo and George Biro, made the first ball point pen in 1894. It followed the first workable fountain pen which was invented by L.E. Waterman in 1884.
Important Inventions and Discoveries in World » Exercise - 131. Who invented the first controllable flying AEROPLANE (AIRPLANE)? (a) Wright Brothers (b) Lidenbergh Brothers (c) South Brothers (d) West Brothers
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