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1623 introductions
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1620s introductions
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1623
Media in category "1623 introductions"
This category contains only the following file.
Schickard Calculator (1623, Holland, replica in c. 1990) - Computer History Museum (2007-11-10 22.52.58 by Carlo Nardone).jpg
2,272 × 1,704; 1,009 KB
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1623 events
Introductions of the 1620s
Introductions by year
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