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2. John Wilkinson (industrialist) - Wikipedia

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

   With this machine he was able to bore the cylinder for Boulton & Watt's first commercial engine, and was given an exclusive contract for the provision of cylinders owing to the lower tolerance between the piston and cylinder and the resulting improvement in efficiency by lowering steam losses through the gap.

3. 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.

4. 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

5. Stuart Turner (company) - Wikipedia

   en.wikipedia.org/wiki/Stuart_Turner_(company)

   A vertical single-cylinder steam engine, bore 1 inch, stroke 1 inch, standing 7.5 inches high. With A-frame castings and trunk guide. [35] No.8 A horizontal single-cylinder steam engine, bore 1 inch, stroke 1 inch, 8.5 inches long, with slipper type crosshead guide, so designed for single direction of rotation. [36]

6. Cosworth GMA - Wikipedia

   en.wikipedia.org/wiki/Cosworth_GMA

   V12, naturally-aspirated, 65° cylinder angle: Displacement: 3,994 cc (4.0 L; 243.7 cu in) Cylinder bore: 81.5 mm (3.21 in) Piston stroke: 63.8 mm (2.51 in) Cylinder block material: Aluminum alloy: Cylinder head material: Aluminum alloy: Valvetrain: DOHC, four-valves per cylinder: Compression ratio: 14:1: Combustion; Fuel system: Direct fuel ...

7. Honing (metalworking) - Wikipedia

   en.wikipedia.org/wiki/Honing_(metalworking)

   Auto-gauging single-pass honing machine for precise finishing. A honing machine is a precision tool used in machining to improve the surface finish and dimensional accuracy of component. It operates by using abrasive honing tools, which rotate and reciprocate inside the components, typically a cylinder or bore.