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2. Stem (bicycle part) - Wikipedia

   en.wikipedia.org/wiki/Stem_(bicycle_part)

   The quill stem fits down into the inside of the top of steerer tube and is held in place by either a wedge-shaped nut and bolt or a cone-shaped expander nut and bolt. [2] In the case of a wedge-shaped nut, the bottom of the stem is cut diagonally to match the wedge and the bolt pulls the wedge against the stem to expand against the inside of ...

3. List of timber framing tools - Wikipedia

   en.wikipedia.org/wiki/List_of_timber_framing_tools

   Chalk line or ink line used to snap lines on the wood. Ink and a slurry of charcoal were used like chalk. Carpenter pencil; Scratch awl or similar tools were used to scratch lines on wood before the pencil was commonly used beginning in the 19th century in the U.S. Try square; Steel square is also known as a framing square. Historically a ...

4. Quill stem - Wikipedia

   en.wikipedia.org/?title=Quill_stem&redirect=no

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5. Top cap - Wikipedia

   en.wikipedia.org/wiki/Top_cap

   A few amplifier tubes used two top caps, symmetrically placed, one for anode and the other for grid. 866 mercury rectifier with anode top cap In audio amplifier tube application, the top cap was originally used for the grid connection, and a serviceman could apply a moist finger to the terminal to confirm that the stage and subsequent circuits ...

6. Hewing - Wikipedia

   en.wikipedia.org/wiki/Hewing

   Hewing occurs from the bottom of the stem upwards towards what was the top of the standing tree, reducing the tendency of the broken fibers to migrate inwards towards the eventual beam. [ 8 ] It is widely published that an adze was used to hew the top surface of a log flat in the same manner as an axe is used on the sides of a log.

7. Chimney - Wikipedia

   en.wikipedia.org/wiki/Chimney

   An H-style cap is a chimney top constructed from chimney pipes shaped like the letter H. It is an age-old method of regulating draft in situations where prevailing winds or turbulences cause downdraft and back-puffing. Although the H cap has a distinct advantage over most other downdraft caps, it fell out of favor because of its bulky design.

8. Bridgeport (machine tool brand) - Wikipedia

   en.wikipedia.org/wiki/Bridgeport_(machine_tool...

   Machine tapers for tool holding included Morse tapers (on early models) and the R8 taper (a widely used standard that Bridgeport created) on most models. Both Morse and R8 allowed for both collets and solid holders, and a drill chuck could be held by either of the latter. Currently R8 and Erickson #30 Quick Change tool holders are available.

9. Quarter sawing - Wikipedia

   en.wikipedia.org/wiki/Quarter_sawing

   Wood cut in this way is prized for certain applications, but it will tend to be more expensive as well. In cutting a log, quarter sawn boards can be produced in several ways, but if a log is cut for maximum yield it will produce only a few quarter sawn boards among the total; if a log is cut to produce only quarter sawn boards there will be ...