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  2. Medieval weights and measures - Wikipedia

    en.wikipedia.org/wiki/Medieval_weights_and_measures

    The best-attested of these is the perch, which varied in length from 10 to 25 feet, with the most common value (16 1 ⁄ 2 feet or 5.03 m) remaining in use until the twentieth century. [ 1 ] Later development of the English system continued in 1215 in the Magna Carta. [ 2 ]

  3. History of measurement - Wikipedia

    en.wikipedia.org/wiki/History_of_measurement

    He proposed calling his base unit of length a "foot" which he suggested should be either 3 ⁄ 10 or 1 ⁄ 3 of the length of a pendulum that had a period of one second—that is 3 ⁄ 10 or 1 ⁄ 3 of the "standard" proposed by John Wilkins over a century previously. This would have equated to 11.755 English inches (29.8 cm) or 13.06 English ...

  4. List of time periods - Wikipedia

    en.wikipedia.org/wiki/List_of_time_periods

    These can be divided broadly into prehistorical periods and historical periods (when written records began to be kept). In archaeology and anthropology , prehistory is subdivided into the three-age system , this list includes the use of the three-age system as well as a number of various designation used in reference to sub-ages within the ...

  5. List of obsolete units of measurement - Wikipedia

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

    Spat – a unit of length equal to 1,000,000,000 km (620,000,000 mi) Stadion; Step; Unglie; Vara – an Aragonese, Spanish, and Portuguese unit [3] Yojana – a Vedic measure of distance used in ancient India. Its value was about 10 km (6.2 mi), although the exact value is disputed among scholars (between 8 and 13 km or 5 and 8 mi)

  6. Weights and Measures Acts (UK) - Wikipedia

    en.wikipedia.org/wiki/Weights_and_Measures_Acts_(UK)

    The informal public imperial measurement standards erected at the Royal Observatory, Greenwich, London, in the 19th century: 1 British yard, 2 feet, 1 foot, 6 inches, and 3 inches. The inexact monument was designed to permit rods of the correct measure to fit snugly into its pins at an ambient temperature of 62°F (16 23 °C).

  7. Why do you shrink when you get older? Experts explain

    www.aol.com/lifestyle/why-shrink-older-experts...

    Overall, you can lose between 1 to 3 inches in height as you age, per Medline Plus. While age-related height loss is normal, there are times when it's a sign of an underlying health condition.

  8. English units - Wikipedia

    en.wikipedia.org/wiki/English_units

    Width of the hand and outstretched thumb, 6 + 1 ⁄ 2 inches before 12th century, 6 thereafter [14] Link: 201.2 mm: 7.92 inches or one 100th of a chain. [15] (A modern Indian surveyor's chain has 200 mm links.) Span: 228.6 mm: Width of the outstretched hand, from the tip of the thumb to the tip of the little finger, 3 palms = 9 inches. Foot ...

  9. Ancient Greek units of measurement - Wikipedia

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

    Pages for logged out editors learn more. Contributions; Talk; ... 3 2 + 25: 2 + 2 ... Equal to Modern equivalent