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2.54 cm – 1 inch; 3.08568 cm – 1 attoparsec; 3.4 cm – length of a quail egg [112] 3.5 cm – width of film commonly used in motion pictures and still photography; 3.78 cm – amount of distance the Moon moves away from Earth each year [113] 4.3 cm – minimum diameter of a golf ball [114] 5 cm – usual diameter of a chicken egg
The Carl Gustaf 8.4 cm recoilless rifle (Swedish pronunciation: [kɑːɭ ˈɡɵ̂sːtav], named after Carl Gustafs Stads Gevärsfaktori, which initially produced it) is a Swedish-developed 84 mm (3.3 in) caliber shoulder-fired recoilless rifle, initially developed by the Royal Swedish Army Materiel Administration during the second half of the 1940s as a crew-served man-portable infantry ...
(4 4/3 ∞), (3/2 3 ∞), (6 6/5 ∞), (3 3/2 ∞). Branko Grünbaum and G. C. Shephard , in the 1987 book Tilings and patterns , section 12.3, enumerate a list of 25 uniform tilings, including the 11 convex forms, and add 14 more they call hollow tilings , using the first two expansions above: star polygon faces and generalized vertex figures.
There is only one way (up to rotation and reflection) to divide a square into two similar rectangles. However, there are three distinct ways of partitioning a square into three similar rectangles: [1] [2] The trivial solution given by three congruent rectangles with aspect ratio 3:1.
This computer was 38 ft (12 m) long, 20 ft (6.1 m) wide, weighed about 8.4 short tons (7.6 t) [3] [7] [8] and used 2700 vacuum tubes for its logic circuits. Its drum memory was 8.5 in (22 cm) in diameter, rotated at 3500 rpm, had 200 read-write heads, and held 16,384 24-bit words (a memory size equivalent to 48 kB ) with access time between 32 ...
Typical Letter paper has a basis weight of paper of 20 or 24 pounds (9.1 or 10.9 kg) – the weight of 500 sheets (a ream) of 17-by-22-inch (431.8 by 558.8 mm) paper at 70 °F (21 °C) and at 50% humidity. [3] One ream of 20-pound Letter-sized paper weighs 5 pounds (2.3 kg), and a single Letter-sized sheet of 20-pound paper weighs 0.16 ounces ...
Half-stop steps are used on some cameras. Usually the full stops are marked, and the intermediate positions click but are not marked. As an example, the aperture that is one-third stop smaller than f /2.8 is f /3.2, two-thirds smaller is f /3.5, and one whole stop smaller is f /4. The next few f-stops in this sequence are:
Current unlinked ammunition is supplied in M19A1 boxes containing 200 rounds divided across four bandoliers containing five-round charger clips [32] or 300 rounds divided across eight cartons. [ 33 ] [ 34 ] Linked ammunition has been primarily supplied in M19A1 boxes containing one 200-round belt each; the belt can consist either of ball rounds ...