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Edison Marvels at Magic of Electricity.
Two New Inventions
Among the plant exhibits he inspected were two highly important inventions given public announcement for the first time: a machine successfully transmitting sound by means of light and a boiler utilizing mercury, as well as water, in the generating of steam for the driving of turbine engines. The first, officially called the "pallo-photophone" but immediately christened by newspaper correspondents as the "talking movie" — for that, with the voice recorded on ordinary motion picture film and synchronized precisely with the action, is exactly what it is — has possibilities of revolutionizing radio broadcasting wireless photography and a number of similar related fields. The principle of the mercury boiler is the utilization of mercury between the fire and the under-boiler surface exposed to the flame — the mercury, when vaporized, going into a mercury turbine and then into a condenser, remaining hot enough to generate steam in a steam boiler. Roughly, it is a case of getting double the boiler and turbine power at less expense for fuel than for operating only one steam boiler. This invention may work radical changes in turbine power transmission.
How does the use of the word pallo-photophone in paragraph 2 affect this passage?
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ANSWER:
The use of the word pallo-photophone suggests the new inventions that are mentioned in the overall text.
The phonograph was invented by Thomas Edison in 1877, and it swiftly rose to prominence as the century's most widely used home entertainment system. In 1888, Edison hired William as lab assistant, to invent a motion-picture camera in order to add visuals to the phonograph. William merged the two final components of motion-picture recording and viewing technologies, building on the work of Muybridge and Marey. These were a device, modified from a clock's escapement mechanism, to guarantee the film strip's irregular but regular travel through the camera and a celluloid film strip with regular perforations to guarantee exact synchronisation between the film strip and the shutter.
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