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  2. Ottoman units of measurement - Wikipedia

    en.wikipedia.org/wiki/Ottoman_units_of_measurement

    The Ottoman Empire (1299–1923), the predecessor of modern Turkey was one of the 17 signatories of the Metre Convention in 1875. For 58 years both the international and the traditional units were in use, but after the proclamation of the Turkish Republic, the traditional units became obsolete.

  3. Avoirdupois - Wikipedia

    en.wikipedia.org/wiki/Avoirdupois

    The weights are in denominations of 7 pounds (corresponding to a unit known as the clip or wool-clip), 14 pounds (stone), 56 pounds (4 stone) and 91 pounds (1 ⁄ 4 sack or woolsack). [ 18 ] [ 19 ] The 91-pound weight is thought to have been commissioned by Edward III in conjunction with the statute of 1350, while the other weights are thought ...

  4. List of measuring instruments - Wikipedia

    en.wikipedia.org/wiki/List_of_measuring_instruments

    A pair of scales: An instrument for measuring mass in a force field by balancing forces. Balance; Check weigher measures precise weight of items in a conveyor line, rejecting underweight or overweight objects. Inertial balance; Katharometer; Mass spectrometers measure the mass-to-charge ratio, not the mass, of ionised particles. Weighing scale

  5. Timken OK Load - Wikipedia

    en.wikipedia.org/wiki/Timken_OK_Load

    This measurement is performed using a special test machine and standard block and ring test specimens. The test machine is based on a machine manufactured by the Timken Company from 1935 to 1972, [ 1 ] It is now an industry recognized standard test to compare extreme pressure resistance of greases and oils in a reproducible way.

  6. Hyperpolarization (physics) - Wikipedia

    en.wikipedia.org/wiki/Hyperpolarization_(physics)

    Hyperpolarization is the spin polarization of the atomic nuclei of a material in a magnetic field far beyond thermal equilibrium conditions determined by the Boltzmann distribution. [1] It can be applied to gases such as 129 Xe and 3 He , and small molecules where the polarization levels can be enhanced by a factor of 10 4 –10 5 above thermal ...

  7. Triple beam balance - Wikipedia

    en.wikipedia.org/wiki/Triple_beam_balance

    Pointers - The scale pointer marks the equal point of the object's mass on the scale and mass on the beam; Zero adjustment knob - This is used to manually adjust the triple beam balance to the 'zero' mark (check to ensure that the pointer is at zero before use). Before using triple beam balance, the scale pointer should be at zero.

  8. Apothecaries' system - Wikipedia

    en.wikipedia.org/wiki/Apothecaries'_system

    English-speaking countries also used a system of units of fluid measure, or in modern terminology volume units, based on the apothecaries' system. Originally, the terms and symbols used to describe the volume measurements of liquids were the same as or similar to those used to describe weight measurements of solids [33] (for example, the pound by weight and the fluid pint were both referred to ...

  9. On-board scale - Wikipedia

    en.wikipedia.org/wiki/On-board_scale

    On-board scales are mobile weighing systems that have been integrated into a vehicle, such as a flatbed truck or semi-trailer. [1] In the United States, such scales are used primarily as a self-check for weight compliance. Thus the operator can use the scale to determine the weight of the vehicle as it is loaded. [2]