Difference between revisions of "Patent for a Buehnenscheinwerfer, Willy Hagedorn, 1921 (Q31872)"
From CanonBase
a spotlight with a diafragm and mirror.
(Created claim: Canon documents public id (P71): 1017, #quickstatements; #temporary_batch_1743590155432) | (Removed claim: Canon source Id (P369): 1017, #quickstatements; #temporary_batch_1743590302320) | ||
| Property / Canon source Id | |||
| - | |||
| Property / Canon source Id: 1017 / rank | |||
| - | |||
Latest revision as of 10:42, 2 April 2025
a spotlight with a diafragm and mirror.
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Patent for a Buehnenscheinwerfer, Willy Hagedorn, 1921 | a spotlight with a diafragm and mirror. |
Statements
16 November 1921Gregorian
0 references