Chester F. Carlson invented the Xerographic process used in Xerox machines in 1938 in Astoria, Queens, New York City. After decades of develpment the first Xerox Machine, the first fully automated copier, called the 914 was offered for sale in 1959. Xerography is a system of dry writing which uses special powder, static elestricity, and a light-sensitife semi-conductor to make a photographic image or copy.
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A Xerox Machine is any machine marketed by the Xerox Corporation. Many different machines have been marketed by Xerox Corporation, and were invented by different people at different times. Some people incorrectly say "xerox machine" when they want to say "photocopier" or something similar. The process used in most modern photocopiers is called xerography and was invented by Chester Carlson. Machines using that process were developed (not invented) by a team of engineers working for the Haloid Company, later called the Xerox Corporation.
he invented the Xerox machine
The first washing machine was invented in the year 1851. It was the drum washing machine and it was invented by James King.
When people use the term "Xerox machine" they usually refer to a copier or a printer. In that sense, a Xerox machine is used to make copies of documents, or images of other small objects that can be placed on the platen, or to print the output from a computer or facsimile (Fax) machine
The thrashing machine, or, in modern spelling, threshing machine (or simply thresher), was invented in 1886 by Scottish mechanical engineer Andrew Meikle.