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2. Boring (manufacturing) - Wikipedia

   en.wikipedia.org/wiki/Boring_(manufacturing)

   A part's-eye view of a boring bar. Hole types: Blind hole (left), through hole (middle), interrupted hole (right). In machining, boring is the process of enlarging a hole that has already been drilled (or cast) by means of a single-point cutting tool (or of a boring head containing several such tools), such as in boring a gun barrel or an engine cylinder.

3. Watt steam engine - Wikipedia

   en.wikipedia.org/wiki/Watt_steam_engine

   The condensing cylinder was water cooled to keep the steam condensing. At the end of the power stroke, the valve was closed so the power cylinder could be filled with steam as the piston moved to the top. The result was the same cycle as Newcomen's design, but without any cooling of the power cylinder which was immediately ready for another stroke.

4. John Wilkinson (industrialist) - Wikipedia

   en.wikipedia.org/wiki/John_Wilkinson_(industrialist)

   John Wilkinson was born in Little Clifton, Bridgefoot, Cumberland (now part of Cumbria), the eldest son of Isaac Wilkinson and Mary Johnson. Isaac was then the potfounder at the blast furnace there, [3] one of the first to use coke instead of charcoal, which was pioneered by Abraham Darby.

5. Boring machine - Wikipedia

   en.wikipedia.org/wiki/Boring_machine

   Boring machine may refer to: Boring machine (carpentry) A machine for boring (manufacturing) holes; Tunnel boring machine; A machine that is not very exciting. See also

6. Boring bar - Wikipedia

   en.wikipedia.org/wiki/Boring_bar

   A part's-eye view of a boring bar. It enters into an existing hole (drilled or cored), and the single-point cutters cut a cylindrical toolpath that is extremely accurate, being defined by the spindle's rotation and the linear motion of the Z-axis slide. In this case, the tool bits are of the brazed carbide type. Boring bar marked B

7. Machine tool - Wikipedia

   en.wikipedia.org/wiki/Machine_tool

   James Watt was unable to have an accurately bored cylinder for his first steam engine, trying for several years until John Wilkinson invented a suitable boring machine in 1774, boring Boulton & Watt's first commercial engine in 1776. [8] [9] The advance in the accuracy of machine tools can be traced to Henry Maudslay and refined by Joseph ...