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23 Mai 1920 Jahr - Calvin Goddard was the creator of the comparison microscope. Because of his invention, two pieces of specimen can be compared and viewed at once.
Zugefügt zum Band der Zeit:
Forensic
By
Caroline Long
25 Sep 2017
0
0
474
Datum:
23 Mai 1920 Jahr
Jetzt
~ 104 years ago
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