33
/ru/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
421781
36336
2
Create a timeline
Public Timelines
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
FAQ
Create a timeline
Public timelines
FAQ
About & FeedbackСоглашениеПриватностьFAQ
Support 24/7  
CabinetGet premium
Donate

22 сент 1931 г. - Optical microscopes were greatly improved

Описание:

1931

Добавлено на ленту времени:

Cell History

ByKevin
11 дек 2017
0
0
418

Дата:

22 сент 1931 г.
Сейчас
~ 94 г назад
About & FeedbackСоглашениеПриватностьFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL