Overhead projector

1930: Overhead Projector.

Vintage film projectors

1925: Film Projector.

Radio learning

1920s: Radio.

Holmes Stereoscope

1905: Stereoscope.

The Pressey Teaching Machine

1924: Teaching Machine.

Pencils

1801: Pencils.

Chalkboard

1801: Chalk Board.

Magic Lantern

1870: Magic Lantern.

McGuffey Reader

1836: McGuffey Reader.

Horn book

1450: Horn Book.

Pages

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