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 Austin S. | Leave a Comment
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 […]
Judah Levin’s Adding Machine History Yehuda Leib Levin was born on March 26, 1863. He was the son of Nachum […]
: Born in the city of Dresden, Sachsen, Deutschland on September 14, 1845, Friedrich Oskar Leuner was born to Carl […]
Who Was Otto Lilienthal? No mistake, yet another celebrity should be mentioned as an inventor of calculating device, after Leonardo […]
: Unfortunately, we don’t know a lot about Niels Larsen apart from his patents and inventions. From what we do […]
Updated: July 24, 2023 by Abby | Leave a Comment
: Charles Labofish In the late 19th and early 20th century Charles Schachan Labofish, a Jewish immigrant from Odessa, Russian Empire, […]
Updated: December 11, 2024 by History Computer Staff | Leave a Comment
In 1899 french engineer Georges Lafond from Paris patented (German patent DE148810, US patent US653250 and Swiss patent CH19395) […]
Updated: July 24, 2023 by Austin S. | Leave a Comment
Who Was Samuel Kelso? Samuel Kelso was an inventor from Scotland who immigrated to Canada and later to the United […]
Updated: November 17, 2022 by Austin S. | Leave a Comment
Who is William Lang? William Lang was a leading noise control engineer at IBM and a fellow of the American […]
: Early computers are amongst some of the most fascinating inventions around, and they were instrumental in changing the way […]
Updated: July 24, 2023 by Lisha Pace | Leave a Comment
: Lewis Hosea and William Beardsley On 3 March 1891, Lewis Hosea (see biography of Lewis Hosea), a lawyer and amateur […]
Henry Alonzo House Key Facts: Henry Alonzo House (1840-1930) (see biography of Henry Alonzo House) was an extremely prolific American inventor, who […]
: While the 20th century saw inventors and mathematicians get closer and closer to the modern calculators and computers we […]
: Jehu Hatfield was an inventor during the 19th century. While he was working with spittoons, pottery, and Lucifer matches, […]
History of Computers and Computing, Calculating tools, Gadgets, Calvin Holman : Calvin Holman Calvin James Holman (1827-1900) was a prolific inventor, a […]
In 1877, Milton Hinkle invented a simple adding device that resembles and functions similarly to adding devices invented by […]
Updated: December 22, 2024 by Abby | Leave a Comment
: Christian Hergenroeder On October 10, 1882, a patent for a simple adding device (US patent 263904) was granted to Christian […]
Updated: December 18, 2024 by Abby | Leave a Comment
: De Kerniea James Thomas Hiett On 20 April 1897, De Kerniea James Thomas Hiett (1854-1930), an inveterate calculator designer of […]
Updated: December 14, 2024 by History Computer Staff | Leave a Comment
Ferdinand Hebentanz On 23 April 1873, Ferdinand Hebentanz, a watchmaker from Budapest, obtained a patent (Privileg) in Austria-Hungary for adding […]
Updated: December 16, 2024 by History Computer Staff | Leave a Comment
Eduard Hammenstede On March 31st, 1882 Eduard Hammenstede of Cologne, Germany, received German patent No. 20443 on Schnell-Addirmaschine (Quick Adding […]
George Phineas Gordon: Early Years George Phineas Gordon was born on April 21st, 1810 in Salem, New Hampshire. He went […]
By the mid-1800s, inventors had been devising mechanical calculators for over 200 years. If you don’t consider the abacus, […]
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Updated: December 11, 2024 by Rebecca Bales | Leave a Comment
Groesbeck’s Adding Machine John Groesbeck (1834-1884), was a consulting accountant, born in New York, who lived in Philadelphia and was […]
Who Was William S. Gubelmann? William Samuel Gubelmann was an American businessman and inventor. Mr. Gubelmann was born in mid-1865 […]
Updated: July 24, 2023 by Rebecca Bales | Leave a Comment
Jean-Paul Garnier was a French mechanic and watchmaker. He won several awards for his watchmaking, with inventions including a […]
Carlo Fossa Mancini was a true master in the art of hydraulic engineering. His incredible talent and innovative thinking […]
Updated: July 24, 2023 by Rebecca Bales | 1 Comment on Golden Gem Adding Machine Explained: Everything You Need to Know
The Golden Gem Adding Machine was invented by Russian Jew, Abraham Isaac Gancher. Gancher was a former leather salesman […]
Frederick Lincoln Fuller was an American inventor and entrepreneur who made significant contributions to the development of the cash […]
George Fowler was an American inventor who is famous for creating a slide bar adder, known as Fowler’s Adder. […]
Born in the 19th century in a part of the Russian Empire that is now part of Lithuania, Herschell […]
Peter C. Forrester was an extremely prolific inventor who was born in Canada but lived in the U.S. throughout […]
Juri Diakov Around 1874, the Russian military engineer from S. Petersburg, Captain Juri I. Diakov (Юрiй И. Дьяковъ), devised a […]
George Dudley was an American inventor who was known for inventing adding and printing machines. These revolutionary machines could […]
Today, if we want to add some figures, we’re more likely to use the calculator app on our phones […]
In 1677, French Jesuit mathematician Claude Dechales published L’ art de naviger demontré par principes & confirmé par plusiers […]
