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  2. List of obsolete units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_obsolete_units_of...

    Einstein – unit of energy, and a unit of amount of substance; Fanega – a unit of dry volume, and a unit of area; Fresnel – a unit of frequency; Garce – a unit of dry volume in India, and a unit of mass in Sri Lanka; Hobbit – a unit of volume, or, more rarely, of weight; Kula – a unit of area in India, and mass in Morocco; Last – a ...

  3. Melingriffith Water Pump - Wikipedia

    en.wikipedia.org/wiki/Melingriffith_Water_Pump

    The paddle wheel is connected to two rocking beams of oak which are 22 feet (6.7 m) long by 1 foot 2 inches (0.36 m) by 1 foot 4 inches (0.41 m). The connecting rods, made of cast iron, are 18 feet 5 inches (5.61 m) long, with a cross section of 4 inches (0.10 m) by 5 inches (0.13 m).

  4. List of unusual units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_unusual_units_of...

    An Olympic-size swimming pool holds over 2 acre-feet of water For larger volumes of liquid, one measure commonly used in the media in many countries is the Olympic-size swimming pool. [47] A 50 m × 25 m (164 ft × 82 ft) Olympic swimming pool, built to the FR3 minimum depth of 2 metres (6.6 ft) would hold 2,500 m 3 (660,000 US gal).

  5. Ancient Greek units of measurement - Wikipedia

    en.wikipedia.org/wiki/Ancient_Greek_units_of...

    Some Greek measures of length were named after parts of the body, such as the δάκτυλος (daktylos, plural: δάκτυλοι daktyloi) or finger (having the size of a thumb), and the πούς (pous, plural: πόδες podes) or foot (having the size of a shoe). The values of the units varied according to location and epoch (e.g., in ...

  6. 7 Antique Items From the 1800s that Are Worth Thousands of ...

    www.aol.com/7-antique-items-1800s-worth...

    The pitcher is 9.25 inches tall. Antique 1800s Ball, Black & Co. Sterling Silver Floral Repousse Pitcher. ... The cabinets are 77.5 inches tall, have a width of 49.5 inches, and a depth of 15 ...

  7. Pumpjack - Wikipedia

    en.wikipedia.org/wiki/Pumpjack

    Depending on the size of the pump, it generally produces 5 to 40 litres (1 to 9 imp gal; 1.5 to 10.5 US gal) of liquid at each stroke. Often this is an emulsion of crude oil and water. Pump size is also determined by the depth and weight of the oil to remove, with deeper extraction requiring more power to move the increased weight of the ...

  8. Dimensionless quantity - Wikipedia

    en.wikipedia.org/wiki/Dimensionless_quantity

    For example, the values of the following constants are independent of the system of units, cannot be defined, and can only be determined experimentally: [22] engineering strain , a measure of physical deformation defined as a change in length divided by the initial length.

  9. Comparison of the imperial and US customary measurement ...

    en.wikipedia.org/wiki/Comparison_of_the_imperial...

    Approximate values are denoted with ≈; Exact values are denoted with ≡; Definitions are marked in bold; Unit name Imperial measures US fluid measures US dry measures Metric measures fluid ounces Imperial fluid ounce (fl oz) ≡ 1 imp fl oz. ≈ 0.960 759 940 40 US fl oz ≈ 0.947 102 083 33 US fl oz (food) ≡ 28.413 0625 mL ≡ 0.028 413 ...