Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Получить премиум

Create a timeline

Public timelines

About & Feedback Соглашение Приватность FAQ

Cabinet Get premium

Donate

1 янв 1890 г. - Herman Hollerith

Описание:

He bulit designed a punch card systemto calculate. He bulit it in 3 years saving the government 5 million dollars.

Добавлено на ленту времени:

History of computers

28 авг 2018

0

0

535

Дата:

1 янв 1890 г.

Сейчас

~ 135 г назад

Изображения:

About & Feedback Соглашение Приватность FAQ

Cabinet Get premium

Donate

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

Secured with SSL