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 Un accord Confidentialité FAQ

Cabinet Get premium

Donate

1 janv. 1974 - Begins racket experimentation; first using weights, then conceived spreading weight out (thus increasing area).

Ajouté au bande de temps:

Case Study 3

28 sept. 2017

0

0

529

Date:

1 janv. 1974

Maintenaint

~ Il y a 51 ans

About & Feedback Un accord Confidentialité FAQ

Cabinet Get premium

Donate

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

Secured with SSL