Difference between revisions of "James L. Powers"

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James Legrand Powers was born in Odessa, Russian Empire (now Ukraine) in 1871, nothing else is known about his early life. He graduated from the Technical School of Odessa and worked in Odessa University mechanical shop. In 1889 he emigrated to the United States and was employed by various engineering concerns including Western Electric.
 
James Legrand Powers was born in Odessa, Russian Empire (now Ukraine) in 1871, nothing else is known about his early life. He graduated from the Technical School of Odessa and worked in Odessa University mechanical shop. In 1889 he emigrated to the United States and was employed by various engineering concerns including Western Electric.
  
In 1907 Powers was hired by US Census Bureau as a mechanical expert to modify punched card processing equipment invented two decades earlier by Herman Hollerith, so that the improved machines won't infringe Hollerith's patents. Powers managed to avoid infringement, by using mechanical sensors on the punch readers, instead of electrical sensors.  
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In 1907 Powers was hired by US Census Bureau as a mechanical expert to modify punched card processing equipment invented two decades earlier by Herman Hollerith, so that improved machines will not infringe Hollerith's patents. Powers had already done some experimental work on office machines and received several patents. Powers managed to circumvent Hollerith's patents and introduced new tabulating machine which was used in 1909 Cuban Census and 1910 US Census.
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Powers founded his company in 1911 as ''Powers Tabulating Machines Company'' but later changed its name for ''Powers Accounting Machines Company''.
  
 
== Sources ==
 
== Sources ==
  
• Martin Campbell-Kelly. Powers, James in Encyclopedia of Computer Science (4th edition) edited by Edwin D. Reilly, Anthony Ralston, David Hemmendinger. (Nature Publishing Group, 2003)
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• Martin Campbell-Kelly. Powers, James in Encyclopedia of Computer Science (4th edition) edited by Edwin D. Reilly, Anthony Ralston, David Hemmendinger. (John Wiley and Sons Ltd, 2003)
  
 
• Martin Campbell-Kelly. Chapter Four: Punched-Card Machinery in Computing Before Computers edited by William Aspray. (Iowa State University Press, 1990)
 
• Martin Campbell-Kelly. Chapter Four: Punched-Card Machinery in Computing Before Computers edited by William Aspray. (Iowa State University Press, 1990)
  
• Stan Augarten. BIT by BIT An Illustrated History of Computers. (Ticknor & Fields, 1984)
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• Stan Augarten. BIT by BIT An Illustrated History of Computers. (Ticknor & Fields, 1984).

Revision as of 09:34, 3 June 2017

James Powers, c. 1915

James Legrand Powers (1871, Odessa - November, 8, 1927, New York) - American inventor and entrepreneur, the founder of "Powers Accounting Machine Company".

Biography

James Legrand Powers was born in Odessa, Russian Empire (now Ukraine) in 1871, nothing else is known about his early life. He graduated from the Technical School of Odessa and worked in Odessa University mechanical shop. In 1889 he emigrated to the United States and was employed by various engineering concerns including Western Electric.

In 1907 Powers was hired by US Census Bureau as a mechanical expert to modify punched card processing equipment invented two decades earlier by Herman Hollerith, so that improved machines will not infringe Hollerith's patents. Powers had already done some experimental work on office machines and received several patents. Powers managed to circumvent Hollerith's patents and introduced new tabulating machine which was used in 1909 Cuban Census and 1910 US Census.

Powers founded his company in 1911 as Powers Tabulating Machines Company but later changed its name for Powers Accounting Machines Company.

Sources

• Martin Campbell-Kelly. Powers, James in Encyclopedia of Computer Science (4th edition) edited by Edwin D. Reilly, Anthony Ralston, David Hemmendinger. (John Wiley and Sons Ltd, 2003)

• Martin Campbell-Kelly. Chapter Four: Punched-Card Machinery in Computing Before Computers edited by William Aspray. (Iowa State University Press, 1990)

• Stan Augarten. BIT by BIT An Illustrated History of Computers. (Ticknor & Fields, 1984).