
Zeibig, Straßberger and Schumann
In 1895 three of the mechanics, who worked in the factory of Arthur Burkhardt in Glashütte—Ernst Eduard Zeibig (1856-1944), Friedrich Eugin Straßberger (1857-1945), who started with Curt Dietzschold in 1878, and Josef Schumann (1862-1913), who was a foreman in the factory, decided to leave and to found a new factory for..Read More
Shohé Tanaka
In the early 1890s the young Japanese scientist and inventor Shohé Tanaka (1862-1945), at this time, making his doctoral studies in the capital of the German Reich, Berlin, devised an adding machine. In 1895 he applied for and later obtained several patents for such machines: two German patents from 1895..Read More
Adolphus Dennis
In the late 1880s, Adolphus Sylvester Dennis (1857-1942), a former teacher at the Commercial College in Iowa City became an inveterate typewriter, calculator, and adding machine inventor, a man to whom at least 23 USA (as well as several Canadian and Great Britain) patents were issued, 12 of which were..Read More
George Dudley
From 1896 to 1912 George Wilson Dudley from (West) Virginia was granted numerous (at least 15) patents in the USA, Canada, France, Spain, and Great Britain mainly for adding and printing machines, as well as for attachments for adding and tabulating for typewriters, method, and machine for writing in cipher,..Read More
Carlo Fossa-Mancini
The Italian engineer and University professor Carlo Fossa-Mancini (1854-1931) was a talented hydro engineer known primarily for the design and building of an aqueduct in his native valley dell’Esino, and for his studies on the hydraulic ram. or us Carlo Fossa-Mancini is interesting mainly concerning the creation of the adding..Read More
Fred Wendt
On 31 December 1895, Fred Wendt, an inventor from Marshfield, Wisconsin, filed a patent application for a keyboard-operated adding machine. The patent (see US patent Nr. 563435) was granted on 7 July 1896. Besides the patent application, nothing is known about this calculating machine, so obviously it remained only on..Read More
De Kerniea Hiett
On 20 April 1897, De Kerniea James Thomas Hiett (1854-1930), an inveterate calculator designer of St. Louis, obtained his first patent for a calculating machine (US patent No. 580863, three-fourths assigned to Edmund Fanning Wickham (1854–1908), a local businessman and coal company owner)—a multi-column keyboard adding and printing calculator. Hiett..Read More
Jewrem Ugritschitsch
The German businessman and inventor of Serbian origin Jewrem Ugritschitsch (also known as Jevrem Ugrich) was involved in designing, manufacturing, and selling calculating devices for many years. It seems he started in the middle 1890s because his first patent for Additions- und Multiplikationsmashine is from 10 June 1897 (see German..Read More
Alvan Macauley
In 1895 the young engineer and lawyer James Alvan Macauley (1872-1952) became a patent attorney for the National Cash Register (NCR) in Dayton, Ohio. In the next 1896, he applied for his first patent for a cash register (US patent No. 587042). The patent, assigned to NCR, was the first..Read More
Karl Ferdinand Braun
The first cathode-ray tube (CRT) was built in 1897 by the famous German physicist Karl Ferdinand Braun (1850-1918). The invention of Braun was based upon the work of many other scientists, as is the case with almost all inventions. Who was the first in this area? he history of Cathode..Read More


