up-scale reading
21Weighing scale — Emperor Jahangir (reign 1605 1627) weighing his son Shah Jahan on a weighing scale by artist Manohar (AD 1615, Mughal dynasty, India). A weighing scale (usually just scales in UK and Australian English, weighing machine in south Asian English or… …
22Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… …
23Minor scale — For the simulated nuclear detonation, see Minor Scale. Minor scale Qualities Number of pitch classes 7 Maximal evenness …
24Musical scale — For psychoacoustic scale, see bark scale and mel scale. Pattern of whole and half steps in the Ionian mode or major scale on C   …
25Pentatonic scale — The first two phrases of the melody from Stephen Foster s Oh! Susanna are based on the major pentatonic scale[1] …
26Jazz scale — One chord scale option for +7th chords is the whole tone scale[1]: C D E F♯ G♯ A …
27Diatonic scale — Qualities Number of pitch classes 7 Maximal evenness Well formed generated collection Myhill s property Deep scale property Cardinality equals variety Struc …
28Octatonic scale — Octatonic scales on C  Play (help …
29Major scale — Major scales In music theory, the major scale or Ionian scale is one of the diatonic scales. It is made up of seven distinct notes, plus an eighth which duplicates the first an octave higher. In solfege these notes correspond to the syllables Do …
30Returns to scale — In economics, returns to scale and economies of scale are related terms that describe what happens as the scale of production increases in the long run, when all input levels including physical capital usage are variable (chosen by the firm).… …
