Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Get premium

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

jan 1, 1929 - Iron Lung developed

Description:

helps move air into the lungs for Polio patients

Added to timeline:

B HLTH 224

ByKelly Stevens

13 Dec 2018

1

0

895

Date:

jan 1, 1929

Now

~ 96 years ago

Images:

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

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

Secured with SSL