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Top 100 Famous Female Inventors in History & Modern Women Inventors
creation of the Kindling Cracker, a type of cast-iron device that uses a built-in ax blade inside a safety cage. This cage will hold the wood while the hammer hits it, easily splitting the log into pieces
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Top 100 Famous Inventions and Greatest Ideas of All Time
method represented sounds by a pattern or string of 0s and 1s etched on a photosensitive platter. A laser read the binary arrangements to produce music. A set of converters were necessary: analog-to-digital