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Spring scissors continued to be used in Europe until the 16th century. However, pivoted scissors of bronze or iron, in which the blades were pivoted at a point between the tips and the handles, the direct ancestor of modern scissors, were invented by the Romans around 100 AD. [6]
1897: Surgical masks made of cloth were developed in Europe by physicians Jan Mikulicz-Radecki at the University of Breslau and Paul Berger in Paris, as a result of increasing awareness of germ theory and the importance of antiseptic procedures in medicine. [452] 1898: Hans von Pechmann synthesizes polyethylene, now the most common plastic in ...
This timeline of time measurement inventions is a chronological list of particularly important or significant technological inventions relating to timekeeping devices and their inventors, where known. Note: Dates for inventions are often controversial. Sometimes inventions are invented by several inventors around the same time, or may be ...
A pair of scissors with orange plastic handles, the best-known product by Fiskars. The company traces its origins to 1649, when a Dutch merchant named Peter Thorwöste was given a charter by Christina, Queen of Sweden, to establish a blast furnace and forging operation in the small village of Fiskars; however, he was not permitted to produce cannons. [5]
Post services were founded all over Europe, which allowed a humanistic interconnected network of intellectuals across Europe, despite religious divisions. However, the Roman Catholic Church banned many leading scientific works; this led to an intellectual advantage for Protestant countries, where the banning of books was regionally organised.
This facilitated the spread of printing to areas that were less print-centred. Compositors: Those who set the type for printing. Pressmen: the person who worked the press. This was physically labour-intensive. The earliest-known image of a European, Gutenberg-style print shop is the Dance of Death by Matthias Huss, at Lyon, 1499. This image ...
The hourglass, invented in Europe, was one of the few reliable methods of measuring time at sea. In medieval Europe, purely mechanical clocks were developed after the invention of the bell-striking alarm, used to signal the correct time to ring monastic bells.
1900: Reflector sight invented by Howard Grubb. [46] 1905: Underground conveyor belt invented by Richard Sutcliffe. [47] 1909: Irish logarithm invented by Percy Ludgate. [48] 1914: 'Dublin method' in radiation therapy discovered by John Joly. [49] 1926: Three-point linkage invented by Harry Ferguson. [50]