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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 сент 1828 г. - 1828 William Nichol invented the polarizing light microscope.
Добавлено на ленту времени:
hofs
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99casmas05312
17 окт 2017
0
0
679
Дата:
1 сент 1828 г.
Сейчас
~ 197 г назад
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