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

1 jan 1870 ano - 1870 Wilmot diseñó un micrómetro que medía milésimas. J.R. Brown y Lucian Sharpe diseñan el primer micrómetro mecánico.

Adicionado na linha do tempo:

Metrología

12 jan 2018

0

0

1775

Data:

1 jan 1870 ano

Agora

~ 155 years ago

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