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Alexander Graham Bell was one of the founders of the National Geographic Magazine. His uncle was actually the president of the society.
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Medical & Science > Medical Equipment
On 26th January, 1875, The first electric dental drill was patented... Read more »
On 9th April, 1974, The Disposable Syringe was patented... Read more »
On 4th April, 1978, Orthodontic pliers were patented... Read more »
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