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  2. Tree volume measurement - Wikipedia

    en.wikipedia.org/wiki/Tree_volume_measurement

    Young pines were found to have a form factor between 0.33 and 0.35, forest grown pines in the age class of 150 years or more had a form factor of between 0.36 and 0.44, and stocky old-growth outlier pines would on occasion achieve a form factor of between 0.45 and 0.47. The form factor concept is parallel to idea of percent cylinder occupation.

  3. Minute and second of arc - Wikipedia

    en.wikipedia.org/wiki/Minute_and_second_of_arc

    circle is 10 cm wide on a computer display, viewing it from 10.3 m (11.3 yards) away will show true representation of the sizes. Since antiquity, the arcminute and arcsecond have been used in astronomy : in the ecliptic coordinate system as latitude (β) and longitude (λ); in the horizon system as altitude (Alt) and azimuth (Az); and in the ...

  4. Decimal degrees - Wikipedia

    en.wikipedia.org/wiki/Decimal_degrees

    A value in decimal degrees to a precision of 4 decimal places is precise to 11.1 metres (36 ft) at the equator. A value in decimal degrees to 5 decimal places is precise to 1.11 metres (3 ft 8 in) at the equator.

  5. 36 (number) - Wikipedia

    en.wikipedia.org/wiki/36_(number)

    The number of domino tilings of a 4×4 checkerboard is 36. [10] Since it is possible to find sequences of 36 consecutive integers such that each inner member shares a factor with either the first or the last member, 36 is an Erdős–Woods number. [11] The sum of the integers from 1 to 36 is 666 (see number of the beast). 36 is also a ...

  6. External ballistics - Wikipedia

    en.wikipedia.org/wiki/External_ballistics

    The fourth term was also the first term to use N. The higher terms involving N where insignificant and disappeared at N = 0.36, which according to Dr. Pejsa was a lucky coincidence making for an exceedingly accurate linear approximation, especially for N's around 0.36.

  7. Colt M1861 Navy - Wikipedia

    en.wikipedia.org/wiki/Colt_M1861_Navy

    The Colt Model 1861 Navy cap & ball.36-caliber revolver was a six-shot, single-action percussion weapon produced by Colt's Manufacturing Company from 1861 until 1873. It incorporated the "creeping" or ratchet loading lever and round barrel of the .44-caliber Army Model of 1860 but had a barrel one half inch shorter, at 7.5 inches. Total ...

  8. Sheet metal - Wikipedia

    en.wikipedia.org/wiki/Sheet_metal

    Sheet metal is metal formed into thin, flat pieces, usually by an industrial process. Thicknesses can vary significantly; extremely thin sheets are considered foil or leaf, and pieces thicker than 6 mm (0.25 in) are considered plate, such as plate steel, a class of structural steel. Sheet metal is available in flat pieces or coiled strips.

  9. 9K34 Strela-3 - Wikipedia

    en.wikipedia.org/wiki/9K34_Strela-3

    The 9K34 Strela-3 (Russian: 9К34 «Стрела-3», 'arrow', NATO reporting name: SA-14 Gremlin) is a man-portable air defense missile system developed in the Soviet Union as a response to the poor performance of the earlier 9K32 Strela-2 (SA-7 Grail) system.