Patent of Mary Hallock-Greenewalts colour organ (Q31164)
From CanonBase
Revision as of 08:42, 13 March 2025 by Purkertcz (talk | contribs) (Removed claim: Property:P74: US1731772.pdf, #quickstatements; #temporary_batch_1741855370183)
No description defined
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