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At 2 inches (5.1 cm) in diameter and 0.5 inches (13 mm) thick, both surfaces are flat to within 1/10 of the wavelength of the light (58.9 nm), as indicated by the perfectly straight fringes. An optical flat is an optical -grade piece of glass lapped and polished to be extremely flat on one or both sides, usually within a few tens of nanometres ...
Wrench size. spanner (wrench) size and thread diameter of a hex nut. Width across flats is the distance between two parallel surfaces on the head of a screw or bolt, or a nut, mostly for torque transmission by positive locking. The term width across flats (AF) is used for the following forms: 2-socket = round material with two surfaces.
6.5 mm 2 flat contacts, +: chamfered corner, −: top side: H: 48.5 L: 35.6 W: 9.18 ... Each cell needs around 1 cm 3 of air per minute at a 10 mA discharge rate ...
Cello Suite No. 5, BWV 1011; The Musical Offering, BWV 1079; Partita No. 2, BWV 826; Ludwig van Beethoven (See Beethoven and C minor) Piano Sonata No. 5; Piano Sonata No. 8 (Pathétique) Piano Concerto No. 3; Coriolan Overture; Symphony No. 5; Choral Fantasy; Piano Sonata No. 32; Johannes Brahms. Symphony No. 1; String Quartet Op. 51/1; Piano ...
The three-by-five 三五判 (3×5 or 3/5), where the final size at 32K is slightly less than 3 by 5 sun, often given as 84 × 148 mm which would be c. 2.8 × 4.9 sun. The 4/6 standard has given rise to newer metric book-size standards, including: The modern Japanese size for books, simply labeled B and is specified as 765 × 1085 millimeters
The term blues scale refers to several different scales with differing numbers of pitches and related characteristics. A blues scale is often formed by the addition of an out-of-key "blue note" to an existing scale, notably the flat fifth addition to the minor pentatonic scale. However, the heptatonic blues scale can be considered a major scale ...
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In Western musical notation, a key signature is a set of sharp (♯), flat (♭), or rarely, natural (♮) symbols placed on the staff at the beginning of a section of music. The initial key signature in a piece is placed immediately after the clef at the beginning of the first line. If the piece contains a section in a different key, the new ...