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Claude Casper Poulan (1915–1995) of Monroe, Louisiana was the founder of Poulan Chain Saws and the inventor of the bow guide. In 1944, Poulan was supervising German prisoners cutting pulpwood in East Texas. At the time this task required three men, two to operate the chainsaw, and a third to operate a pry pole, utilized to keep the chain from ...
Historical osteotome, a medical bone chainsaw. The origin of chainsaws in surgery is debated. A "flexible saw", consisting of a fine serrated link chain held between two wooden handles, was pioneered in the late 18th century (c. 1783 –1785) by two Scottish doctors, John Aitken and James Jeffray, for symphysiotomy and excision of diseased bone, respectively. [2]
A modern bow saw is a metal-framed crosscut saw in the shape of a bow with a coarse wide blade. This type of saw is also known as a Swede saw, Finn saw [1] or bucksaw. It is a rough tool that can be used for cross-cutting branches or firewood, up to six inches (150 mm) in diameter. The name 'Swede saw' probably derived from the ovate metal ...
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] Such a saw would typically be 1 to 4 m (4 to 12 feet) long, and sometimes up to 5 m ...
Longbowmen archers of the Middle Ages.. Archery, or the use of bow and arrows, was probably developed in Africa by the later Middle Stone Age (approx. 70,000 years ago). It is documented as part of warfare and hunting from the classical period (where it figures in the mythologies of many cultures) [1] until the end of the 19th century, when bow and arrows was made functionally obsolete by the ...
The chain has to be properly matched to the guide bar and the saw. Chainsaw manufacturers specify a selection of suitable chains for each model of saw. Best safety requires that the chain is properly sharpened. One key sharpening parameter is the depth gauge setting. The depth gauge is the small steel protubera
Oregon Tool is the largest manufacturer of saw chain in the world, with the Oregon brand holding the title of #1 saw chain in the world. Saw chain sold under the Oregon brand is sold to OEMs, dealers, and direct-to-consumer. Other products sold under the Oregon brand include: chain saw bar, sprocket, lawn mower blades, and string trimmer string.
Shape of You" became the second video to reach four billion views in January 2019, [27] followed by "See You Again" in February 2019. [25] ". Baby Shark Dance" became the second video to reach five billion views in April 2020, [62] followed by "Shape of You" in October 2020.