File:Illustrative object lessons (1923).png
Jump to navigation
Jump to search
![File:Illustrative object lessons (1923).png](https://upload.wikimedia.org/wikipedia/commons/thumb/1/1e/Illustrative_object_lessons_%281923%29.png/387px-Illustrative_object_lessons_%281923%29.png?20230103212230)
Size of this preview: 387 × 599 pixels. Other resolutions: 155 × 240 pixels | 437 × 676 pixels.
Original file (437 × 676 pixels, file size: 581 KB, MIME type: image/png)