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Inventors & Inventions II Dots & Dashes


Given the INVENTOR(S), identify the INVENTION
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Enter in the box the number corresponding to the right answer
Lewis E. Waterman     1Refrigerator
Bardeen, Shockley, Brattain     2Gunpowder
Sir Isaac Pitman     3Shorthand
James Harrison, Alexander Catlin     4Transistor
Roger Bacon     5Fountain Pen


 
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