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Thames Measurement, also known as Thames Tonnage, is a system for measuring ships and boats. It was created in 1855 as a variation of Builder's Old Measurement by the Royal Thames Yacht Club , and was designed for small vessels, such as yachts .
1 Thames tonnage. 2 Godinet rule. 3 Olympic Games. Toggle Olympic Games subsection. 3.1 1900 Olympics France. 4 See also. 5 References. ... 1900: .5 to 1 ton Race: 2 ...
The two curves of this (2, 8)-torus link have linking number four. In mathematics, the linking number is a numerical invariant that describes the linking of two closed curves in three-dimensional space. Intuitively, the linking number represents the number of times that each curve winds around the other.
Twelve-tone equal temperament (12 TET) is obtained by making all semitones the same size, with each equal to one-twelfth of an octave; i.e. with ratios 12 √ 2 : 1. Relative to Pythagorean tuning , it narrows the perfect fifths by about 2 cents or 1 / 12 th of a Pythagorean comma to give a frequency ratio of 2 7 / 12 : 1 {\displaystyle ...
12-tone equal temperament chromatic scale on C, one full octave ascending, notated only with sharps. Play ascending and descending ⓘ. 12 equal temperament (12-ET) [a] is the musical system that divides the octave into 12 parts, all of which are equally tempered (equally spaced) on a logarithmic scale, with a ratio equal to the 12th root of 2 (≈ 1.05946).
One octave of 12-tet on a monochord (linear) The chromatic circle depicts equal distances between notes (logarithmic) Since the frequency ratio of a semitone is close to 106% ( 100 2 12 ≈ 105.946 {\textstyle 100{\sqrt[{12}]{2}}\approx 105.946} ), increasing or decreasing the playback speed of a recording by 6% will shift the pitch up or down ...
It is equal to the frequency ratio (1.5) 12 ⁄ 2 7 = 531441 ⁄ 524288 ≈ 1.01364, or about 23.46 cents, roughly a quarter of a semitone (in between 75:74 and 74:73 [2]). The comma that musical temperaments often "temper" is the Pythagorean comma.
Resolution 212 (Rev.WRC-97), adopted at the World Radiocommunication Conference held in Geneva, Switzerland in 1997, endorsed the bands specifically for the International Mobile Telecommunications-2000 (IMT-2000) specification by referring to S5.388, which states "The bands 1,885-2,025 MHz and 2,110-2,200 MHz are intended for use, on a ...