29
/de/
de
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
376069
32507
2
Erstellen
Public Timelines
Bibliothek
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
31 Mai 1900 Jahr - The invention of lead pencils
Beschreibung:
The invention and mass production of lead pencils and white paper, replaced the classroom slate.
Zugefügt zum Band der Zeit:
4 Dez 2017
0
0
328
The history of Ed Tech
Datum:
31 Mai 1900 Jahr
Jetzt
~ 123 years ago