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  2. Human penis size - Wikipedia

    en.wikipedia.org/wiki/Human_penis_size

    The same review analyzed the results from ten prior studies where measurements of erect penis size were made by researchers. They reported an erect penis to be between 12.95 and 13.92 cm (5.1 and 5.5 inches, respectively) in length, a result significantly below the average obtained in self-reported studies.

  3. Gauge (firearms) - Wikipedia

    en.wikipedia.org/wiki/Gauge_(firearms)

    A 10-gauge (3 + 1 ⁄ 2-inch (89 mm)) shotgun shell shown next to a United States quarter. The 10 gauge narrowly escaped obsolescence when steel and other nontoxic shot became required for waterfowl hunting, since the larger shell could hold the much larg [1] er sizes of low-density steel shot needed to reach the ranges necessary for waterfowl ...

  4. Historical Russian units of measurement - Wikipedia

    en.wikipedia.org/wiki/Historical_Russian_units...

    The basic unit was the Russian ell, called the arshin, which came into use in the 16th century.It was standardized by Peter the Great in the 18th century to measure exactly twenty-eight English inches (71.12 cm).

  5. Cathode-ray tube - Wikipedia

    en.wikipedia.org/wiki/Cathode-ray_tube

    The size of CRTs increased over time, from 20 inches in 1938, [52] to 21 inches in 1955, [53] [54] 25 inches by 1974, 30 inches by 1980, 35 inches by 1985, [55] and 43 inches by 1989. [56] However, experimental 31 inch CRTs were made as far back as 1938. [57] In 1960, the Aiken tube was invented. It was a CRT in a flat-panel display format with ...

  6. Chinese units of measurement - Wikipedia

    en.wikipedia.org/wiki/Chinese_units_of_measurement

    Chinese inch chǐ: 尺: 1 0.32 m 12.6 in Chinese foot bù: 步: 5 1.6 m 5.2 ft Chinese pace zhàng: 丈: 10 3.2 m 3.50 yd Chinese yard yǐn: 引: 100 32 m 35.0 yd lǐ: 里: 1800 576 m 630 yd Chinese mile, this li is not the small li above, which has a different character and tone

  7. Printed circuit board - Wikipedia

    en.wikipedia.org/wiki/Printed_circuit_board

    They can be up to 4 by 8 feet (1.2 by 2.4 m) in width and length. Varying cloth weaves (threads per inch or cm), cloth thickness, and resin percentage are used to achieve the desired final thickness and dielectric characteristics. Available standard laminate thickness are listed in ANSI/IPC-D-275. [22]

  8. December 13 - Wikipedia

    en.wikipedia.org/wiki/December_13

    1623 – The Plymouth Colony establishes the system of trial by 12-men jury in the American colonies. [4]1636 – The Massachusetts Bay Colony organizes three militia regiments to defend the colony against the Pequot Indians, a date now considered the founding of the National Guard of the United States.

  9. Isaac Newton - Wikipedia

    en.wikipedia.org/wiki/Isaac_Newton

    Sir Isaac Newton (25 December 1642 – 20 March 1726/27 [a]) was an English polymath active as a mathematician, physicist, astronomer, alchemist, theologian, and author who was described in his time as a natural philosopher. [5]