Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Das Premium bekommen

Create a timeline

Public timelines

About & Feedback Vereinbarung Privatheit FAQ

Cabinet Get premium

Donate

1 Jan 1935 Jahr - by 1935 the principal isotopes and their relative proportions were known for all but a handful of elements

Zugefügt zum Band der Zeit:

History of isotopes

6 Nov 2019

0

0

284

Datum:

1 Jan 1935 Jahr

Jetzt

~ 90 years ago

About & Feedback Vereinbarung Privatheit FAQ

Cabinet Get premium

Donate

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

Secured with SSL