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2006-06-20 06:54:15 · 1 answers · asked by Derrick 3 in Beauty & Style Other - Beauty & Style

1 answers

Leonardo da Vinci invented the general principle, but German physiologist Adolf Eugen Fick created and used the first set in 1887.

2006-06-20 06:59:00 · answer #1 · answered by Kraagenskul 2 · 1 0

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