He had a great interest in science, particularly with Humphry Davy's experiments with the arc light; he tinkered with and built simple electrical devices such as a static electricity machine at age 12, experimenting in a workshop on his parents farm.
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In 1876 he secured the backing of the Wetting Supply Company in Cleveland to design his "dynamo" (an electrical generator) for powering arc lights.
On the 9 December 1882, a demonstration of electricity was conducted with eight arc lights along Queen Street.
For instance, in the attic scenes, Hepworth's use of arc lights was celebrated for being an early use of harsh lighting conditions to create ambiance and indicate a dangerous world.
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The structure was built on the site of Charles F. Brush's first arc lamp, which in 1879 was the world's first electric street light, and a replica of the lamp hangs outside the restaurant.
While it initially served as a common pasture for settlers' animals, less than a century later Public Square was the height of modernity, when in 1879 it became the first street in the world to be lit with electric street lights, arc lamps designed by Cleveland native Charles F. Brush.
A Yablochkov candle (sometimes electric candle) is a type of electric carbon arc lamp, invented in 1876 by Pavel Yablochkov.
Photonic curing is similar to Pulse Thermal Processing, developed at Oak Ridge National Laboratory, in which a plasma arc lamp is used.