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  2. Tabitha Babbitt - Wikipedia

    en.wikipedia.org/wiki/Tabitha_Babbitt

    The circular saw was connected to a water-powered machine to reduce the effort to cut lumber. [ 4 ] [ 5 ] The first circular saw she allegedly made is in Albany , New York . [ 6 ] In the summer of 1948, a version of Babbitt's saw, built to her specifications, was on display at a Shaker exhibit at Fenimore House in Cooperstown, N. Y., as a loan ...

  3. Edmond Michel - Wikipedia

    en.wikipedia.org/wiki/Edmond_Michel

    In creating this device, Michel effectively created an early example of a motorized worm drive. [better source needed] Michel then tried again, using a piece of wood with a notch carved into it. In the notch, he mounted the same mechanism as the mechanical reaper, but with a 6-inch blade. This was the first electric circular saw. [4]

  4. Timeline of United States inventions (before 1890) - Wikipedia

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

    1813 Circular saw. The circular saw is a metal disc or blade with saw teeth on the edge as well as the machine that causes the disk to spin. It may cut wood or other materials and may be hand-held or table-mounted. Tabitha Babbitt is credited with inventing the first circular saw used in a saw mill in 1813. [25] [56] 1815 Dental floss

  5. Talk:Circular saw - Wikipedia

    en.wikipedia.org/wiki/Talk:Circular_saw

    In 1813, Shaker-Sister, Tabitha Babbitt (1784-1854) invented the first circular saw used in a saw mill. Babbitt was working in the spinning house at the Harvard Shaker community in Massachusetts, when she decided to invent an improvement to the two-man pit saws that were being used for lumber production.

  6. Circular saw - Wikipedia

    en.wikipedia.org/wiki/Circular_saw

    A hand-held circular saw is the most conventional circular saw. This miter saw is a circular saw mounted to swing to crosscut wood at an angle. A table saw. Tractor-driven circular saw. A circular saw or a buzz saw, is a power-saw using a toothed or abrasive disc or blade to cut different materials using a rotary motion spinning around an arbor.

  7. NFL hot seat rankings: Which coaches are in most trouble ...

    www.aol.com/nfl-hot-seat-rankings-coaches...

    Several coaches are squarely on the NFL hot seat entering Week 18, with Mike McCarthy and Brian Daboll among those facing uncertain futures.

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