Two different physicians each separately developed a syringe with a needle fine enough to pierce the skin in 1853.
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A history of syringes and needles - Faculty of Medicine - University of Queensland
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File:Hypodermic syringe, Europe, 1871-1900 Wellcome L0057803.jpg - Wikimedia Commons
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Assorted Historical Hypodermic Needles & Syringes Photograph by Tony Craddock/science Photo Library
Assorted Historical Hypodermic Needles & Syringes by Tony Craddock/science Photo Library