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Charles Bush was a very popular United States kaleidoscope maker during the 1870s for his parlor kaleidoscope. He patent his idea in 1873 and to this day collectors search for this particular kaleidoscope. These were made with a round base and a rarer 4 footed version.

In the 1870s, two inventors http://wiki.answers.com/od/gstartinventors/a/Elisha_Gray.htmand Alexander Graham Bell both independently designed devices that could transmit speech electrically (the telephone).

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15y ago

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