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  2. Ohaus - Wikipedia

    en.wikipedia.org/wiki/Ohaus

    The OHAUS Corporation is a corporation which was founded in 1907, and primarily manufactures balances and scales for the laboratory, education, industrial and speciality markets worldwide. Headquartered in Parsippany, New Jersey , United States , OHAUS Corporation has offices in Europe, Asia, and Latin America.

  3. Weighing scale - Wikipedia

    en.wikipedia.org/wiki/Weighing_scale

    Balance scale set, with weights Scales used to measure the weight of fruit in a supermarket Weighing scale in use in Tokyo Digital kitchen scale, a strain gauge scale Weighing scale for a baby includes a ruler for height measurement. A scale or balance is a device used to measure weight or mass.

  4. List of oldest extant buildings - Wikipedia

    en.wikipedia.org/.../List_of_oldest_extant_buildings

    A building is defined as any human-made structure used or interface for supporting or sheltering any use or continuous occupancy. In order to qualify for this list, a structure must: be a recognisable building; incorporate features of building work from the claimed date to at least 1.5 metres (4.9 ft) in height;

  5. List of tallest freestanding steel structures - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest...

    World's tallest mixed-use building 1969–2008. 6 Empire State Building: 449 1,474 1931 Skyscraper Office, observation, UHF/VHF-transmission United States New York City Tallest freestanding structure 1931–1967. Tallest skyscraper 1931–1973.

  6. Counterweight - Wikipedia

    en.wikipedia.org/wiki/Counterweight

    A simple crane. A counterweight is a weight that, by applying an opposite force, provides balance and stability of a mechanical system. [1] The purpose of a counterweight is to make lifting the load faster and more efficient, which saves energy and causes less wear and tear on the lifting machine.

  7. Free body diagram - Wikipedia

    en.wikipedia.org/wiki/Free_body_diagram

    A free body diagram is not a scaled drawing, it is a diagram. The symbols used in a free body diagram depends upon how a body is modeled. [6] Free body diagrams consist of: A simplified version of the body (often a dot or a box) Forces shown as straight arrows pointing in the direction they act on the body

  8. Balancing of rotating masses - Wikipedia

    en.wikipedia.org/wiki/Balancing_of_rotating_masses

    The system rotates without requiring the application of any external force or couple, other than that required to support its weight. If a system is initially unbalanced, to avoid the stress upon the bearings caused by the centrifugal couple, counterbalancing weights must be added. This is seen when a bicycle wheel gets a buckled rim.

  9. List of medieval armour components - Wikipedia

    en.wikipedia.org/wiki/List_of_medieval_armour...

    Late medieval gothic plate armour with list of elements. The slot in the helmet is called an occularium. The slot in the helmet is called an occularium. This list identifies various pieces of body armour worn from the medieval to early modern period in the Western world , mostly plate but some mail armour , arranged by the part of body that is ...