First electron microscope (1 янв 1931 г. – 1 янв 1932 г.)
Описание:
The first electron microscope was developed in 1931 by University of Berlin scientist Ernst Ruska and electrical engineer Max Knoll. They were able to generate a four hundred power magnification with the prototype they made.Добавлено на ленту времени:
Дата:
1 янв 1931 г.
1 янв 1932 г.
~ 1 years