Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Get premium

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

jan 19, 1939 - siemens makes first commercial transmission electron mircoscope

Added to timeline:

biology timeline

ByAshton Oveson

30 Oct 2017

0

0

432

Date:

jan 19, 1939

Now

~ 86 years ago

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL