Number sign
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The symbol # is known as the number sign, hash, and the pound sign and has a variety of other names. The symbol has historically been used for a wide range of purposes including the designation of an
The abbreviation written by Isaac Newton, showing the evolution from ℔ toward #
Detail of a telephone keypad displaying the Viewdata square
Ligature (writing)
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In writing and typography, a ligature is the combination of two or more graphemes or letters into one glyph. Common examples include:
Number sign
…a variety of other names. The symbol has historically been used for a wide range of purposes including the designation of an ordinal number and as a ligatured abbreviation for pounds avoirdupois – having been derived from the now-rare ℔. Since 2007, widespread usage of the symbol to introduce metadata tags…
Wood type sorts with ligatures of (from left to right) ⟨fl⟩, ⟨ft⟩, ⟨ff⟩, ⟨fi⟩; in 20 Cicero = 240 Didot points ≈ 90.2328 mm (typeface Futura bold condensed)
A widely used Th ligature in a handwriting-style typeface
Original program for Die Zauberflöte with an fl ligature
Capilla de San José, Sevilla. Several ligatures, except cypher, monogram and Signum manus motifs in the top (a Christogram, the Auspice Maria, and one for Saint Joseph).