Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

Create a timeline

Public timelines

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate

28 nov 1820 ano - calculadora de pascal

Descrição:

fue la primera calculadora que funcionaba a base de ruedas y engranajes, inventada en 1642

Adicionado na linha do tempo:

breiner

2 out 2018

0

0

389

Data:

28 nov 1820 ano

Agora

~ 205 years ago

Imagens:

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate

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

Secured with SSL