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A zoetrope is a pre-film animation device that produces the illusion of motion, by displaying a sequence of drawings or photographs showing progressive phases of that motion. A zoetrope is a cylindrical variant of the phénakisticope , an apparatus suggested after the stroboscopic discs were introduced in 1833.
The Crookes radiometer (also known as a light mill) consists of an airtight glass bulb containing a partial vacuum, with a set of vanes which are mounted on a spindle inside. The vanes rotate when exposed to light, with faster rotation for more intense light, providing a quantitative measurement of electromagnetic radiation intensity.
This steel mill uses a flint held against the rotating wheel "D", making sparks. (Matthias Dunn, Treatise on the Winning and Working of Collieries, 1852) The first mechanically powered portable illumination was the "steel mill", used in coal mining during the 1800s. These lamps consisted of a steel disk, rotated at high speed by a crank mechanism.
An incandescent lamp...is placed below the film...and the light passes up through the film, shutter opening, and magnifying lens...to the eye of the observer placed at the opening in the top of the case." [33] Robinson, on the other hand, says the shutter—which he agrees has only a single slit—is positioned lower, "between the lamp and film ...
On "Antiques Roadshow," two took a stroll down memory lane when two sisters brought in their mother's lamp that was purchased in the1960s for $125. And while they had a feeling the lamp could be ...
In the early days of film the word "photoplay" was quite commonly used for motion pictures. This illustrates how a movie can be thought of as a photographed play.Much of the production for a live-action movie is similar to that of a theatre play, with very similar contributions by actors, a theatre director/film director, producers, a set designer, lighting designer, costume designer, composer ...
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