Difference between revisions of "turning cylinder color changer (Q39061)"
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(Created claim: Field (P19): lighting and projection (Q7)) | (Created claim: First use date (P111): 1882) | ||||||||||||||
| Property / First use date | |||||||||||||||
| + | 1882
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| Property / First use date: 1882 / rank | |||||||||||||||
| + | Normal rank | ||||||||||||||
Revision as of 09:52, 22 July 2025
first known color changer for electrical light
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | turning cylinder color changer | first known color changer for electrical light |
Statements
1882
0 references