Updated: July 24, 2023 by Rebecca Bales | Leave a Comment
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 […]
Jean-Paul Garnier was a French mechanic and watchmaker. He won several awards for his watchmaking, with inventions including a […]
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 […]
Alexander Davies was a former clerk and accountant who invented a slide bar adder. The device worked by using […]
In the 1800s, machines called single adders were used. Marshall Cram made one such machine, although it could only […]
Charles Corliss In 1868, Charles Corliss, a farmer and landowner from Haverhill, Massachusetts, received two patents (one of the patents […]
Born in 1615, Charles Cotterell was an English courtier who wore many hats throughout his life. He worked as […]
Updated: January 2, 2025 by Rebecca Bales | Leave a Comment
Cathrinus Nikolay Arbo Collett In the late 1860s, Cathrinus Nikolay Arbo Collett (see biography of Cathrinus Collett), a young Norwegian […]
The Computometer of William George Cordingley The Englishman William George Cordingley, the author of several books for commerce and stock […]
Updated: July 24, 2023 by Lisha Pace | Leave a Comment
: About Hugo Cook The Indiana-born engineer and instrument maker Hugo Cook (1856-1944) was a holder of many US patents from […]
Samuel Comfort (1837-1923) of Morrisville, Pennsylvania, (see biography of Samuel Comfort) attained considerable distinction as an inventor of improvements […]
: Born in 1847 in Springfield, Massachusetts, Gilbert Chapin received his education in common schools and even worked on a […]
David Carroll was an American inventor who invented an adding machine. This machine was made from wood and metal […]
Updated: July 24, 2023 by Heather | Leave a Comment
Invented by James J. Walsh, the Calcumeter was a unique device used for rapidly solving mathematical equations. The device […]
: Humans are innovators. We’re always looking for a smarter, faster, more efficient way to do things. And if we […]
Updated: July 24, 2023 by Abby | Leave a Comment
The first mechanical cash register was patented in 1879 by brothers James and John Ritty. While on a steamboat […]
: Burridge and Marshman were initially known simply as typewriter inventors. However, together they invented an adding machine, an adding […]
Updated: December 18, 2024 by Abby | Leave a Comment
: The Scottish inventor and arithmetician, George Brown, had an affinity for all things numbers. He lived during the 1600s […]
Jabez Burns was an American inventor who developed numerous machines, including a coffee roaster, water closet, and window shade […]
: Some inventors’ names are synonymous with their inventions. For example, Thomas Edison is well known for inventing the incandescent […]
: Viktor Bunyakovsky was a renowned Russian mathematician who lived in the 19th century. He introduced several new mathematical concepts […]
: When we think of the arithmetical calculator, we think of a small, rectangular, electronic device that can fit in […]
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According to their patent, Borland and Hoffmann designed their adding machine to allow users to “add a column […]
In 1642, Blaise Pascal invented the first mechanical calculator. Inventors continued to invent new calculators and adding machines. Some […]
BriCal, meaning British Calculator, is a brass calculator that was designed by Herbert and Mabel Dickinson and patented in […]
: Frank Bone was a civil engineer from Warren County, Ohio who invented a keyboard adding machine. This machine could […]
Updated: December 18, 2024 by Heather | Leave a Comment
The Bassett Adder was a continuous band adding machine that was invented by James Hunter Bassett. It was in […]
: John Ballou Newbrough was a man of many talents and pursuits. From his early days as a student […]
: While Friedrich Arzberger worked in mining and as a professor, he has a footnote in history for having […]
Updated: July 24, 2023 by Austin S. | Leave a Comment
Policarpo de Balzola was a Basque mathematician and inventor from Irun, Spain. He only received an elementary school education, […]
Jan Józef Baranowski was the son of a nobleman and received an excellent education at the Minsk classical gymnasium […]
Arithmachine of Henry Goldman The Arithmachinist: A Practical Self Instructor in Mechanical Arithmetic was published in Chicago, USA, in 1898. […]
Humans have always been fascinated by the night sky and, since ancient times, have sought to invent better ways […]
From the mid-19th century to the early 20th century, inventors created a variety of mechanical calculators. Some featured nine […]
It’s often said that necessity is the mother of invention. This is certainly the case when it comes to […]
About Add-A-Mite When humans first began to grasp the concept of numbers, at least in terms of quantities, they […]
Updated: October 13, 2023 by David Beren | Leave a Comment
: The modern CPU or Central Processing Unit is basically the “brain” of a computer. It is responsible for processing […]
Updated: July 24, 2023 by Heather Hall | Leave a Comment
Since the dawn of time, the calculator has played an integral role in how the world functions. Mathematical calculations […]
: While many of our most essential and frequently used devices were invented in the past couple of centuries and […]
In 1930, Vladimir Lukianov was an engineer with the Central Institute of Railway Engineers in Moscow. There, he worked […]
Updated: September 17, 2024 by Lisha Pace | Leave a Comment
: While modern humans tend to think of science in terms of innovations made during the past 100 to 200 […]
: The Sector was a mathematical instrument invented around 1554. This device, which looked like two rulers hinged together on […]
