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Portable sawmills are sawmills small enough to be moved easily and set up in the field. They have existed for over 100 years but grew in popularity in the United States starting in the 1970s, when the 1973 oil crisis and the back-to-the-land movement had led to renewed interest in small woodlots and in self-sufficiency.
In 1620 Edmund Gunter of Oxford developed a calculating device with a single logarithmic scale; with additional measuring tools it could be used to multiply and divide. [14] In c. 1622, William Oughtred of Cambridge combined two handheld Gunter rules to make a device that is recognizably the modern slide rule. [ 15 ]
From 15 February 1620, consecutive signatures were used on each issue, so that they could be collected and bound as a set. From 8 January 1621, issues were numbered consecutively on the front page. From 8 January 1621, issues were numbered consecutively on the front page.
Massachusetts (/ ˌ m æ s ə ˈ tʃ uː s ɪ t s / ⓘ /-z ɪ t s / MASS-ə-CHOO-sits, -zits; Massachusett: Muhsachuweesut [məhswatʃəwiːsət]), officially the Commonwealth of Massachusetts, [b] is a state in the New England region of the Northeastern United States.
Bradford's transcription of the Compact. The original document has been lost, [10] but three versions exist from the 17th century: printed in Mourt's Relation (1622), [11] [12] which was reprinted in Purchas his Pilgrimes (1625); [13] hand-written by William Bradford in his journal Of Plimoth Plantation (1646); [14] and printed by Bradford's nephew Nathaniel Morton in New-Englands Memorial ...
The Thirty Years' War, [j] from 1618 to 1648, was one of the most destructive conflicts in European history.Fought primarily in Central Europe, an estimated 4.5 to 8 million soldiers and civilians died from the effects of battle, famine, or disease, while parts of Germany reported population declines of over 50%. [19]
The Opel Corsa is a supermini car [1] [2] [3] manufactured and marketed by Opel since 1982 — as well as other brands, namely Vauxhall, Chevrolet, and Holden.. At its height of popularity, the Corsa became the best-selling car in the world in 1998, recording 910,839 sales, assembled on four continents, marketed under five marques and offered in five body styles. [4]
Hamilton was a founder of the field of occupational safety and health and published the first edition of her manual, Industrial Toxicology, in 1934, yet in print in revised forms. [291] An important step in the understanding of childhood lead poisoning occurred when toxicity in children from lead paint was recognized in Australia in 1897. [121]