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Consequently, large swathes of Europe were uninhabitable, and two distinct cultures emerged with unique technologies to adapt to the new environment: the Solutrean in southwestern Europe, which invented brand new technologies, and the Epi-Gravettian from Italy to the East European Plain, which adapted the previous Gravettian technologies.
By 1500, the printing presses in operation throughout Western Europe had already produced more than twenty million copies. [5] In the following century, their output rose tenfold to an estimated 150 to 200 million copies. [5] European printing presses of around 1600 were capable of producing between 1,500 [51] and 3,600 impressions per workday. [3]
the period up to 1839 – the first plans were made for a railroad, 1840–1860 – railroads experienced their early expansion, 1860–1890 – the government started ordering the construction of new lines, 1890–1938 – the different railroads were consolidated into two large railroads,
Bi-quinary coded decimal-like abacus representing 1,352,964,708. An abacus (pl.: abaci or abacuses), also called a counting frame, is a hand-operated calculating tool which was used from ancient times in the ancient Near East, Europe, China, and Russia, until the adoption of the Arabic numeral system. [1]
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]
Personal tools. Create account; ... were transmitted to Europe in the 16th ... Kepler's calculations were made simpler by the contemporaneous invention of logarithms ...
Craftsman is a line of tools, lawn and garden equipment, and work wear.Originally a house brand established by Sears, the brand is now owned by Stanley Black & Decker.. As with all Sears products, Craftsman tools were not manufactured by Sears during the company's ownership, but made under contract by various other companies.
Bone tools had mainly been made from bone splinters or were cut into a useful shape. Archaeologists are convinced that bone tools were purposefully made by deer antlers cut into shape. [1] The bone was fashioned into tools such as spoons, knives, awls, pins, fish hooks, needles, flakers, hide scrapers and reamers.