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  2. Saw - Wikipedia

    en.wikipedia.org/wiki/Saw

    The whole saw blade is made of High-Speed Steel (HSS). HSS saw blades are mainly used to cut steel, copper, aluminum and other metal materials. If high-strength steels (e.g., stainless steel) are to be cut, the blades made of cobalt HSS (e.g. M35, M42) should be used. Tungsten carbide

  3. Historiography of Colonial Spanish America - Wikipedia

    en.wikipedia.org/wiki/Historiography_of_Colonial...

    A 17th–century Dutch map of the Americas. The historiography of Spanish America in multiple languages is vast and has a long history. [1] [2] [3] It dates back to the early sixteenth century with multiple competing accounts of the conquest, Spaniards’ eighteenth-century attempts to discover how to reverse the decline of its empire, [4] and people of Spanish descent born in the Americas ...

  4. Two-man saw - Wikipedia

    en.wikipedia.org/wiki/Two-man_saw

    Two-man saw in Oregon. A two-man saw (known colloquially as a "misery whip" [1]) is a saw designed for use by two sawyers. While some modern chainsaws are so large that they require two persons to control, two-man crosscut saws were primarily important when human power was used. [2]

  5. List of Spanish inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Spanish_inventions...

    Water and weight driven mechanical clocks, by Spanish Muslim engineers sometime between 900–1200 AD. According to historian Will Durant, a watch like device was invented by Ibn Firnas. Magnetic wormhole - first ever manmade wormhole created at the Universitat Autonoma de Barcelona by Spanish physicist Jordi Prat-Camps. The magnetic wormhole ...

  6. Circular saw - Wikipedia

    en.wikipedia.org/wiki/Circular_saw

    The modern-day circular saw was invented around the end of the 18th century as a rip-saw to convert logs into lumber in sawmills and various claims have been made as to who invented it. Before the design was invented, logs were sawn by hand using a pit saw or using powered saws in a sawmill using an up-and-down saw with a reciprocating motion ...

  7. An oral history of the entire Saw franchise - AOL

    www.aol.com/oral-history-entire-saw-franchise...

    An oral history of the entire Saw franchise. Rosie Fletcher. September 30, 2024 at 4:17 AM ... We cleaned it up and made it Saw II and got him to direct Saw II, III and IV. Lionsgate [Above: Saw II]

  8. DeWalt - Wikipedia

    en.wikipedia.org/wiki/DeWalt

    The original company was started in 1924 by Raymond E. DeWalt, inventor of the radial arm saw. It grew quickly and was reorganized and reincorporated in 1947 as DeWalt Inc. American Machine & Foundry Co., Inc. bought the company in 1949, and sold it to Black & Decker in 1960. Black & Decker divested itself of the radial arm saw manufacturing ...

  9. Spanish colonization of the Americas - Wikipedia

    en.wikipedia.org/wiki/Spanish_colonization_of...

    From decades of research, he made estimates for the pre-contact population and the history of demographic decline during the Spanish and post-Spanish periods. According to Cook, the indigenous Californian population at first contact, in 1769, was about 310,000 and had dropped to 25,000 by 1910.