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28 Dez 1890 Jahr - School Slate and Chalkboard

Beschreibung:

Used for over 100 years, the schools late helped students work and rework problems. Chalkboards are still going strong till this day. You can find them in almost every classroom.

Zugefügt zum Band der Zeit:

Educational Technology

ByDayanira Feliciano
14 Nov 2017
0
0
429

Datum:

28 Dez 1890 Jahr
Jetzt
~ 134 years ago

Abbildungen:

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