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  2. Edmond Michel - Wikipedia

    en.wikipedia.org/wiki/Edmond_Michel

    This was the first electric circular saw. After a New Orleans newspaper ran an article about Michel's invention, he was approached by Joseph W. Sullivan. The two became business partners and moved to Chicago. In 1924, they were granted a patent for the Michel Electric Hand Saw. Attracting immediate interest from contractors despite numerous ...

  3. Timeline of United States inventions (1890–1945) - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_United_States...

    The Slinky was invented in 1943 by American engineer Richard T. James while working in his home laboratory to invent a set of springs that could be used to support sensitive instruments on board ships and stabilize them even in rough seas. When he once accidentally knocked one of his springs off a shelf, James saw that, rather than flopping in ...

  4. Saw - Wikipedia

    en.wikipedia.org/wiki/Saw

    Bow saw, turning saw, or buck saw: a saw with a narrow blade held in tension in a frame; the blade can usually be rotated and may be toothed on both edges; it may be a rip or a crosscut, and was the preferred form of hand saw for continental European woodworkers until superseded by machines;

  5. Joseph Jenckes Sr. - Wikipedia

    en.wikipedia.org/wiki/Joseph_Jenckes_Sr.

    His father, John Jenckes Sr., and his half brothers, John and Jonas, were cutlers and members of the Worshipful Company of White Bakers, a London guild for bakers of light-grain bread. Jenckes's maternal grandfather, German immigrant Henry Fulwater ( c. 1545 –1603), was a cutler and a member of the Worshipful Company of Cutlers .

  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. List of Spanish inventors and discoverers - Wikipedia

    en.wikipedia.org/wiki/List_of_Spanish_inventors...

    Santiago Ramón y Cajal fathered modern neuroscience and was the first person of Spanish origin to win the Nobel Prize in Physiology or Medicine (1906). This is a list of inventors and discoverers who are of Spanish origin or otherwise reside in continental Spain or one of the country's oversees territories.

  8. John Sutter - Wikipedia

    en.wikipedia.org/wiki/John_Sutter

    John Augustus Sutter (February 23, 1803 – June 18, 1880), born Johann August Sutter and known in Spanish as Don Juan Sutter, [1] [2] was a Swiss immigrant who became a Mexican and later an American citizen, known for establishing Sutter's Fort in the area that would eventually become Sacramento, California, the state's capital.

  9. List of Spanish inventions and discoveries - Wikipedia

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

    Albucasis invented over 200 tools for use in surgery - many still in use today. 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.