Difference between revisions of "sliding cylinder color changer (Q39063)"
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first known color changer for electrical light
(Created claim: context (P47): For the wing lights (fig. 91), instead of being parallel to each other in the vertical direction, the gelatine screens were superimposed and slid on two vertical rods. A cord passing over a pulley moved them all at the same time. In their normal state, they cleared the lamps; by pulling the cord more or less, the red or blue screens were brought in front of them.) | (Added [cs] description: první známý měnič barev pro elektrická svítidla) | ||
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| + | první známý měnič barev pro elektrická svítidla | ||
| Property / Internal image: Sliding_cylinder_color_changer.jpg / qualifier | |||
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| Property / subclass of: color changer / rank | |||
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Latest revision as of 11:18, 23 October 2025
first known color changer for electrical light
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | sliding cylinder color changer | first known color changer for electrical light |
Statements
Pour les portants (fig. 91), les écrans de gélatine au lieu d'être parallèles l'un à l'autre dans le sens vertical, étaient superposés et glissaient sur deux tiges verticales. Une corde passant sur une poulie les entrainait tous d'un même mouvement. A l'état normal, ils dégageaient les lampes; en tirant plus ou moins la corde on amenait devant elle les écrans rouges ou les écrans bleus. (French)
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For the wing lights (fig. 91), instead of being parallel to each other in the vertical direction, the gelatine screens were superimposed and slid on two vertical rods. A cord passing over a pulley moved them all at the same time. In their normal state, they cleared the lamps; by pulling the cord more or less, the red or blue screens were brought in front of them. (English)
English translation of the abowve (English)
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1882
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