Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Obtener premium

Create a timeline

Public timelines

About & Feedback Acuerdo Privacidad FAQ

Cabinet Get premium

Donate

1 ene 1797 año - Karl Heinrich Klingert

Descripción:

Develops a self contained open diving helmet that contains a double hose used for inhaling and exhaling pressurized air.

Añadido al timeline:

Aquatic Science Timeline

ByJenna Rockwell

23 ene 2020

1

0

296

fecha:

1 ene 1797 año

Ahora mismo

~ 228 years ago

About & Feedback Acuerdo Privacidad FAQ

Cabinet Get premium

Donate

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

Secured with SSL