1 янв 1932 г. - Transparent biological material studied for the first time
Описание:
In 1932 transparent biological materials were studied for the first time using a phase-contrast microscope. this microscope was invented by Frits Xernike.Добавлено на ленту времени:
Дата:
1 янв 1932 г.
Сейчас
~ 92 г назад
