Pressey teaching machine (Q650): Difference between revisions
Espartatuga (talk | contribs) Created a new Item: Pressey teaching machine |
Espartatuga (talk | contribs) Merged Item from Q7730 |
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| Property / subclass of | |||
| Property / subclass of: teaching machine / rank | |||
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| Property / discoverer or inventor | |||
| Property / discoverer or inventor: Sidney L. Pressey / rank | |||
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Revision as of 17:19, 11 June 2026
No description defined
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Pressey teaching machine |
No description defined |