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  2. John H. Balsley - Wikipedia

    en.wikipedia.org/wiki/John_H._Balsley

    John H. Balsley (May 29, 1823 – March 12, 1895) was a master carpenter and inventor, inventing a practical folding wooden stepladder and receiving the first U.S. patent issued for a safety stepladder in the year. He was born in Connellsville, Fayette County, Pennsylvania to George H. and Sarah (Shallenberger) Balsley. His father was also a ...

  3. Ladder - Wikipedia

    en.wikipedia.org/wiki/Ladder

    Step ladders have flat steps and a hinged back. Swim ladder, a ladder used by swimmers to get out of the water, often on boats. Telescoping ladder, commonly used to refer to a hybrid between a step ladder and an extension ladder with 360-degree hinges; has three parts and can be taken apart to form two step ladders; e.g. Little Giant.

  4. Step stool - Wikipedia

    en.wikipedia.org/wiki/Step_stool

    Step stools are halfway between a ladder and a stool, being used, as a support platform, for reaching targets that are at heights between ~2m and ~3m. The most common modern type is made with two separate ladders connected to each other at the upper end, where there is a platform with an area big enough to stand with both feet on it, having the ...

  5. Step chair - Wikipedia

    en.wikipedia.org/wiki/Step_chair

    A step chair, also called a ladder chair, a library chair, a convertible chair or a Franklin chair, is a piece of furniture which folds to become either a chair or a small set of steps or stairs. Building one (usually in the diagonal-side-cut style) is a popular DIY project.

  6. Fixed ladder - Wikipedia

    en.wikipedia.org/wiki/Fixed_ladder

    Fixed ladders are generally made of sturdy materials such as: aluminum or fiberglass, but can also consist of reinforced polymers, stainless steel, hot dipped galvanized steel, or wood. Aluminum: This metal is corrosion-resistant and lightweight, making it an ideal; Steel: Another sturdy metal, steel is also used for fixed ladders. However, it ...

  7. Attic ladder - Wikipedia

    en.wikipedia.org/wiki/Attic_ladder

    An attic ladder (US) or loft ladder (UK) is a retractable ladder that is installed into an attic door/access panel. They are used as an inexpensive and compact alternative to having a stairway that ascends to the attic of a building. They are useful in areas with space constraints that would hinder the installation of a standard staircase.

  8. Jacob's ladder (nautical) - Wikipedia

    en.wikipedia.org/wiki/Jacob's_ladder_(nautical)

    It is the use of spreaders (long treads that extend well past the vertical ropes) in a pilot ladder that distinguishes it from a Jacob's ladder. When not being used, the ladder is stowed away, usually rolled up, rather than left hanging. On late 19th-century warships, this kind of ladder would replace the normal fixed ladders on deck during battle.

  9. Tower Ladder (Devils Tower National Monument) - Wikipedia

    en.wikipedia.org/wiki/Tower_Ladder_(Devils_Tower...

    The Ladder at Devils Tower was first constructed and used in 1893 by William Rogers and Willard Ripley to publicly ascend Devil's Tower. Two years later Roger's wife Linnie ascended the tower via the ladder, one of a total of about 215 who have used the ladder. The last use was by Babe "The Human Fly" White in 1927. [2]

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