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  2. Column inch - Wikipedia

    en.wikipedia.org/wiki/Column_inch

    For example, an advertisement that is 3 columns wide by 6 inches high takes up 18 column inches (3 columns wide multiplied by 6 inches high). To determine the cost of the advertisement, multiply the number of column inches by the newspaper's rate. So, if a newspaper charges $10 per column inch, the cost for the advertisement discussed above ...

  3. Inch of water - Wikipedia

    en.wikipedia.org/wiki/Inch_of_water

    Inch of water. Inches of water is a non- SI unit for pressure. It is also given as inches of water gauge ( iwg or in.w.g. ), inches water column ( inch wc, in. WC, " wc, etc. or just wc or WC ), inAq, Aq, or inH2O. The units are conventionally used for measurement of certain pressure differentials such as small pressure differences across an ...

  4. Typographic unit - Wikipedia

    en.wikipedia.org/wiki/Typographic_unit

    Typographic unit. A ruler showing 4 scales (from the top down): Inches, Points, Picas, and Agates. Diagram of font metrics showing where letters and symbols would be placed relative to each other. The letters would change size according to the font type, typographic unit and dimension used. Typographic units are the units of measurement used in ...

  5. Column (typography) - Wikipedia

    en.wikipedia.org/wiki/Column_(typography)

    In typography, a column is one or more vertical blocks of content positioned on a page, separated by gutters (vertical whitespace) or rules (thin lines, in this case vertical). Columns are most commonly used to break up large bodies of text that cannot fit in a single block of text on a page. Additionally, columns are used to improve page ...

  6. Characters per line - Wikipedia

    en.wikipedia.org/wiki/Characters_per_line

    Standard paper sizes, such as the international standard A4, also impose limitations on line length: using the US standard Letter paper size (8.5×11"), it is only possible to print a maximum of 85 or 102 characters (with the font size either 10 or 12 characters per inch) without margins on the typewriter. With various margins – usually from ...

  7. Margin (typography) - Wikipedia

    en.wikipedia.org/wiki/Margin_(typography)

    Margin (typography) A diagram displaying equal margins of width 25mm on an A4 page. In typography, a margin is the area between the main content of a page and the page edges. [ 1] The margin helps to define where a line of text begins and ends. When a page is justified the text is spread out to be flush with the left and right margins.

  8. Centimetre or millimetre of water - Wikipedia

    en.wikipedia.org/wiki/Centimetre_or_millimetre...

    A centimetre of water[ 1] is a unit of pressure. It may be defined as the pressure exerted by a column of water of 1 cm in height at 4 °C (temperature of maximum density) at the standard acceleration of gravity, so that 1 cmH2O (4°C) = 999.9720 kg/m3 × 9.80665 m/s2 × 1 cm = 98.063754138 Pa ≈ 98.0638 Pa, but conventionally a nominal ...

  9. Water column - Wikipedia

    en.wikipedia.org/wiki/Water_column

    The (oceanic) water column is a concept used in oceanography to describe the physical (temperature, salinity, light penetration) and chemical (pH, dissolved oxygen, nutrient salts) characteristics of seawater at different depths for a defined geographical point. Generally, vertical profiles are made of temperature, salinity, chemical parameters ...