Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Ricevere il Premium

Create a timeline

Public timelines

About & Feedback Accordo Privatezza FAQ

Cabinet Get premium

Donate

25 dic 1934 anni - Tommy Flowers utiliza por primera vez tubos de vacío como interruptores de encendido y apagado en circuitos

Aggiunto al nastro di tempo:

innovadores

ByKaterin gaitan

3 ott 2018

0

0

372

Data:

25 dic 1934 anni

Adesso

~ 90 years ago

About & Feedback Accordo Privatezza FAQ

Cabinet Get premium

Donate

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

Secured with SSL