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

24 Jan 1400 Jahr - Grinding lenses becomes work and spectacles are made.

Beschreibung:

People in Italy start to grind lenses and spectacles are made to improve eyesight.

Zugefügt zum Band der Zeit:

History of the Microscope

ByAlyssa Bourke

13 Dez 2017

0

0

502

Datum:

24 Jan 1400 Jahr

Jetzt

~ 626 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