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  2. Rack railway - Wikipedia

    en.wikipedia.org/wiki/Rack_railway

    The Pilatus Railway is the steepest rack railway in the world, with a maximum gradient of 48% and an average gradient of 35%. Functioning of the rack and pinion on the Strub system. A rack railway (also rack-and-pinion railway, cog railway, or cogwheel railway) is a steep grade railway with a toothed rack rail, usually between the running rails.

  3. Mount Washington Cog Railway - Wikipedia

    en.wikipedia.org/wiki/Mount_Washington_Cog_Railway

    The cog, or rack and pinion, system that allows the locomotive to climb Mount Washington. Located in the museum. The rack rail design used is one of Marsh's own inventions, using a ladder-like rack with open bar rungs engaged by the teeth of the cog wheel. This system allows snow and debris to fall through the rack, rather than lodging in it. [41]

  4. List of steepest gradients on adhesion railways - Wikipedia

    en.wikipedia.org/wiki/List_of_steepest_gradients...

    Built as a rack railway, adhesion operation only by passenger railbuses, now only museum operation on part of the line. 1 in 14 (7.0%) Red Marble Grade, Topton, North Carolina. A 2015 survey [12] lists the 3.5 mile stretch between MP 87 and MP 90.5 at a 4% average grade and says there are isolated stretches approaching 7%. When originally built ...

  5. List of tool manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_tool_manufacturers

    Chang Type Industrial Co., Ltd. Ho-li, Taichung County, Taiwan [5] Delta Machinery: ... Ladders, other [34] References This page was last edited on 17 ...

  6. Ladder logic - Wikipedia

    en.wikipedia.org/wiki/Ladder_logic

    Part of a ladder diagram, including contacts and coils, compares, timers and monostable multivibrators. Ladder logic is widely used to program PLCs, where sequential control of a process or manufacturing operation is required. Ladder logic is useful for simple but critical control systems or for reworking old hardwired relay circuits. As ...

  7. 73 Brands That Are Still Made Right Here in the USA - AOL

    www.aol.com/73-brands-still-made-usa-123000180.html

    Industrial designs such as the Aeron office chair have become iconic. The brand is based in Zeeland, Michigan, and has kept manufacturing here in the USA with pieces ranging from $500 to $16,000.

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