Updated: December 4, 2024 by Rebecca Bales | Leave a Comment
Key Points L Frank Baum In 1901 the famous American author Lyman Frank Baum (1856–1919) published a 245-page illustrated novel, The Master […]
Updated: December 10, 2024 by Rebecca Bales | Leave a Comment
Eugène Jacot des Combes Yet another Parisian watchmaker (after Ernest-Narcisse Lobbé) invented an early keyboard adder in the 1850s — Eugène […]
Updated: July 25, 2023 by Rebecca Bales | Leave a Comment
Who was Samuel Young? Samuel Young was a man who lived in the mid-1850s and started his life working as […]
Updated: December 14, 2024 by History Computer Staff | Leave a Comment
Ezra Edgar Witter Ezra Edgar Witter was a holder of many (at least 15) US and Canadian patents between 1888 […]
Updated: December 16, 2024 by Rebecca Bales | Leave a Comment
Elizur Wright In the 1860s, Elizur Wright (see the biography of Elizur Wright), an American mathematician and abolitionist, sometimes described […]
About Charles Webb The American poet, author, journalist, and inventor Charles Henry Webb was a fascinating person. Born on January […]
Frederick Parsons Warren around 1868 (© Michigan State University) Calculating Engine of Frederick Warren In 1864, Frederick Warren, a young man […]
Updated: December 22, 2024 by Abby | Leave a Comment
: Charles Weiss On August 31, 1886, Charles W. Weiss of Brooklyn, New York, received a patent (U.S. patent №348437) for […]
Updated: July 25, 2023 by Abby | Leave a Comment
: The Calculators of Louis Troncet After the slide adders of Claude Perrault, Caze, and Heinrich Kummer, in 1889 the Frenchman […]
During the age of invention, some ideas were simply too big and too great to be contained by one […]
3 Facts about Tachylemme of Chambon Tachylemme of Chambon History The Tachylemme calculator of the Parisian Casimir-Louis Chambon was patented in 1876 […]
: Lawrence Swem On 8 June 1886, Lawrence W. Swem, a jeweler of West Liberty, Muscatine, Iowa, patented a keyboard adder […]
: Elmore Taylor In 1874, Elmore W. Taylor of Franklin, Indiana, patented a circular adding machine (US patent 155772), assigning one-half […]
Updated: July 25, 2023 by Heather | Leave a Comment
: Thomas Strode was quite a multifaceted person. He spent his days working as a shopkeeper and farmer in […]
: Spalding Adding Machine Cyrus G. Spalding of Boston, Massachusetts, was a holder of two US patents for adding machines: […]
: Stephenson’s Adding Machine Archibald M. Stephenson (1844-1913) of Manteno, Illinois, took out a US patent №137167 for Adding Machine […]
: Born in southeast England, Leonard Stowe set off to New Zealand when he was just 21 years old. […]
Updated: December 4, 2022 by Heather | Leave a Comment
History of Computers and Computing, Calculating tools, Gadgets, Albert Stettner Albert Stettner Albert Stettner Jr., a mechanic from Berlin, Prussia, was a […]
: 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 a significant […]
: Jacob Schnarrenberger Jacob H. Schnarrenberger of Springfield and Greenfield, Ohio, was a holder of quite a few (at least […]
: Samuel Webb Samuel J. Webb (1862-1909) was a businessman and prolific inventor from Minden, Louisiana. He invented more than […]
Updated: December 18, 2024 by Heather | Leave a Comment
: David Marion Rush David Marion Rush of Louisburg, Missouri, applied for a patent for ten-key non-printing manually operated adding […]
: Harry Humfrey Rumble On 15 September 1890, the young architect and civil engineer Harry Humfrey Rumble (1866-1948), from Westgate-on-Sea, […]
