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Updated: July 25, 2023 by Heather | Leave a Comment
Key Points: Born in southeast England, Leonard Stowe set off to New Zealand when he was just 21 years old. […]
: Stephenson’s Adding Machine Archibald M. Stephenson (1844-1913) of Manteno, Illinois, took out a US patent №137167 for Adding Machine […]
: Brainard Smith was an American inventor and engineer from Sacramento. He is best known for the creation of […]
: Who Was Dr. Walter Snelling? Born on December 13, 1880, Dr. Walter Snelling was a chemist and significant contributor […]
: Jacob Schnarrenberger Jacob H. Schnarrenberger of Springfield and Greenfield, Ohio, was a holder of quite a few (at least […]
: David Marion Rush David Marion Rush of Louisburg, Missouri, applied for a patent for ten-key non-printing manually operated adding […]
: Samuel Webb Samuel J. Webb (1862-1909) was a businessman and prolific inventor from Minden, Louisiana. He invented more than […]
Updated: July 21, 2023 by Heather | Leave a Comment
: The early work of John Henry and Caleb Sherwood Odell in their pipe organ building firm cannot be […]
: Harry Humfrey Rumble On 15 September, 1890, the young architect and civil engineer Harry Humfrey Rumble (1866-1948), from Westgate-on-Sea, […]
: James Ritty In 1878 one James Ritty (see biography of James Ritty), a 42 years old saloon keeper from […]
Updated: April 16, 2024 by History Computer Staff | Leave a Comment
Who was Reuben Rodney James? Reuben Rodney James worked as a farmer and in a woolen mill. He also invented […]
History of Computers and Computing, Calculating tools, Gadgets, Martial Roussel : Martial Roussel On 3 October, 1853, Martial Roussel, a member […]
Fawcett Plumb On 17 June 1881, Fawcett Plumb (1834-1919), a businessman, politician, and prolific inventor from Streator, Illinois, (see the […]
Updated: July 25, 2023 by Austin S. | Leave a Comment
William Pratt was a mathematician and a member of the active circle of London’s Mathematical teachers. William Pratt invented […]
Who Were Moses and William Pullen? Moses and William Pullen are known for their invention of the Bentham Calculating Machine. […]
Updated: July 25, 2023 by Rebecca Bales | Leave a Comment
With at least 33 patents in the U.S. alone, William Prehn Quentell was responsible for many inventions and is […]
Updated: July 25, 2023 by Lisha Pace | Leave a Comment
: Nystrom’s Calculator In late 1840s the young swedish immigrant , John William Nystrom, who lived in Philadelphia, invented a calculating […]
Who Was John Pfeifer? John Pfeifer was a bookkeeper and a remarkable inventor with over 60 patents to his name. […]
Updated: April 19, 2024 by History Computer Staff | Leave a Comment
History of Computers and Computing, Calculating tools, Gadgets, David Nelson David Nelson In April of 1860, David R. Nelson of Jackson, […]
Updated: December 6, 2022 by Lisha Pace | Leave a Comment
Who was Alexis Petetin? Alexis Petetin was a notable inventor in France in the 1800s. He is best known for attaining […]
Updated: July 25, 2023 by Abby | Leave a Comment
: Max Mayer In 1881 the German inventor Max Mayer from Munich devised an adding machine, which was patented in 1884 […]
Who Was William Macnider? In 1884, John Macnider of Greensborough, Georgia, applied for a patent for a keyboard adding machine. […]
Who was James Alvan Macualey? Wheeling, West Virginia, was the place of James Alvan Macauley’s birth on June 19, 1872. James […]
Who Was Amos Mendenhall? Amos Mendenhall was an American inventor that was recognized for attaining five US patents. He left a […]