On August 31, 1886, Charles W. Weiss of Brooklyn, New York, received a patent (U.S. patent №348437) for an Electro Magnetic Adding Machine. Weiss worked for the Kruse Check & Adding Machine Company in ...
Word about Salt Typhoon is making the news right now. As a former cybersecurity professional, it is incredible to see what is an unprecedented hack taking place, compromising every telecom provider in ...
In 1886 the professor of mathematics at the University of Würzburg, Germany, Eduard Selling (1834-1920) (see biography of Selling) received a patent for a calculating machine with very interesting ...