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Inventors & Inventions II Dots & Dashes

Given the INVENTION, identify the INVENTOR(S)
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Enter in the box the number corresponding to the right answer
Printing Press     1Lewis E. Waterman
Logarithmic Tables     2John Napier
Microscope     3Z. Janssen
Gunpowder     4Roger Bacon
Fountain Pen     5Johann Gutenberg

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