Thomas Alva Edison secured a U.S. patent on February 19, 1878 in Menlo Park, NJ, USA for the phonograph or speaking machine design which developed from an idea for a telegraph repeater. Continue reading
Tag: Device
Invention of FIrst Sound Recording Device
Emile-Hortensius-Charles Cros, French poet and inventor designed the paleophone or type of phonograph on April 30, 1877. Continue reading
Damper designed to reduce the smoke
Invented in France in 1715, was the Air Pollution Abatement Device, which was a damper designed to reduce the production of smoke from chimneys. Continue reading
Newspaper folding device
In 1870, two Americans by the names of William Bullock and Richard Hoe invented the newspaper folding device. Continue reading
First Firefighting equipment was a large syringes
Firefighting in one form or another has been round for over 2000 years… A rich history for those who wish to learn more about firefighting. Continue reading
Marcus Vitruvius Pollio
Marcus Vitruvius Pollio (born c. 80–70 BC, died after c. 15 BC), commonly known as Vitruvius or Vitruvi or Vitruvio, was a Roman author, architect, civil engineer and military engineer during the 1st century BC, Continue reading
The Undershot Device Designed to Transmit Power Through Gearing
During circa 27 CE, a Roman Architect and Military Engineer by the name of Marcus Vilruvius Pollio, describes the Undershot Device. Continue reading