Ernest-Narcisse Lobbé Updated: July 25, 2023 by Abby | Leave a Comment Ernest-Narcisse Lobbé In early 1850s Ernest-Narcisse Lobbé, a Parisian watchmaker and mechanic, created one of the first keyboard calculating machines in […]
Peter Lindholm – Complete Biography, History, and Inventions Updated: July 25, 2023 by Abby | Leave a Comment Who was Peter Lindholm? Peter Trulson Lindholm was born on April 4th, 1850, in Ysone, Blekinge, Sweden. Lindholm emigrated to the […]
Gustavus Linderoos Updated: July 25, 2023 by Abby | Leave a Comment : Gutavus Linderoos is noteworthy for holding a patent for an early adding machine which is housed at the National […]
19th century Updated: July 26, 2023 by Rebecca Bales | Leave a Comment The Conquering of the World — 19th century More than two centuries elapsed between the introduction of the first mechanical calculator […]
Adder Updated: July 24, 2023 by Austin S. | Leave a Comment From the mid-19th century to the early-20th century, inventors created a variety of mechanical calculators. Some featured nine or 10 […]
Samuel Webb Updated: July 25, 2023 by Heather | Leave a Comment Samuel Webb Samuel J. Webb (1862-1909) was a businessman and prolific inventor from Minden, Louisiana. He invented more than 200 devices […]
Walter Snelling – Complete Biography, History, and Inventions Updated: July 25, 2023 by Heather | Leave a Comment Who Was Dr. Walter Snelling? Born on December 13, 1880, Dr. Walter Snelling was a chemist and significant contributor to the […]
Jacob Schnarrenberger Updated: July 25, 2023 by Heather | Leave a Comment Jacob Schnarrenberger Jacob H. Schnarrenberger of Springfield and Greenfield, Ohio, was a holder of quite a few (at least 7) US […]
William Robjohn – Complete Biography, History, and Inventions Updated: July 21, 2023 by Heather | Leave a Comment William Robjohn was an organ builder in the early 19th century.©History-Computer.com The early work of John Henry and Caleb Sherwood Odell […]
Andrew Stark – Complete Biography, History, and More Updated: July 28, 2023 by Heather | Leave a Comment The American Andrew Stark (1852-1920) from Chicago was a prolific inventor from the late 1800s and early 1900s. He was […]
Chaim Zelig Slonimski Updated: July 27, 2023 by Heather | Leave a Comment A Portrait of Chaim Zelig Slonimski. Chaim Zelig Slonimski The Polish/Russian Jew Chaim Zelig Slonimski (see biography of Chaim Zelig Slonimski) […]