Difference between revisions of "Patent of Mary Hallock-Greenewalts colour organ (Q31164)"
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(Created claim: Internal image (P24): US1731772-drawings-page-4.png) | (Removed claim: Instance of (P1): Early history of moving lights (Theme) (Q31713)) | ||
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Revision as of 17:30, 28 July 2023
No description defined
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Patent of Mary Hallock-Greenewalts colour organ | No description defined |
Statements
15 October 1929Gregorian
0 references