Updated: July 21, 2023 by Heather | Leave a Comment
Key Points: The early work of John Henry and Caleb Sherwood Odell in their pipe organ-building firm cannot be discussed […]
Updated: November 30, 2024 by Heather | Leave a Comment
: Martial Roussel On 3 October 1853, Martial Roussel, a member of the Amiens Academy (Somme), applied for a patent […]
Updated: July 25, 2023 by Heather | Leave a Comment
: 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 […]
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. […]
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 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 […]
Who Was John Pfeifer? John Pfeifer was a bookkeeper and a remarkable inventor with over 60 patents to his name. […]
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: December 18, 2024 by History Computer Staff | Leave a Comment
David Nelson In April of 1860, David R. Nelson of Jackson, Ohio, patented (US patent №28006) a keyboard machine for […]
Updated: July 25, 2023 by Lisha Pace | Leave a Comment
: Nystrom’s Calculator In the late 1840s the young Swedish immigrant, John William Nystrom, who lived in Philadelphia, invented a calculating […]
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 James Alvan Macualey? Wheeling, West Virginia, was the place of James Alvan Macauley’s birth on June 19, 1872. James […]
Who Was William Macnider? In 1884, John Macnider of Greensborough, Georgia, applied for a patent for a keyboard adding machine. […]
Who Was Amos Mendenhall? Amos Mendenhall was an American inventor that was recognized for attaining five US patents. He left a […]
Updated: December 13, 2024 by History Computer Staff | Leave a Comment
The Apparatus for Making Calculations of Francis Marston In 1842 a certain Francis Marston of Aston, Parish of Hopesay, County of […]
Updated: December 14, 2024 by Abby | Leave a Comment
: Ernest-Narcisse Lobbé In the early 1850s Ernest-Narcisse Lobbé, a Parisian watchmaker and mechanic, created one of the first keyboard calculating […]
: Who was Peter Lindholm? Peter Trulson Lindholm was born on April 4th, 1850, in Ysone, Blekinge, Sweden. Lindholm emigrated to […]
: Locke Adder Clarence E. Locke (1866-1945) from Kensett, Iowa, USA, was a holder of 2 US and 2 German patents […]
Who Was Melvin Lovell? Born in Pennsylvania in August 1844, Melvin Lovell was a successful businessman and woodenware manufacturer who […]
: Gustavus Linderoos On August 11, 1871, Captain Gustavus Linderoos (1818-1885) from Point Arena, Mendocino, California, filed a patent application for […]
: Who Was Leonard Nutz? Born Leonard Nice Nutz, he was an inventor and machinist born in October 1810 in Germantown. From […]
: Born in the city of Dresden, Sachsen, Deutschland on September 14, 1845, Friedrich Oskar Leuner was born to Carl […]
