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  2. Duplex printing - Wikipedia

    en.wikipedia.org/wiki/Duplex_printing

    Duplex print devices, depending on options, software, and printer settings, can print single-sided page to single-sided page (1:1) or double-sided page to double-sided page (2:2). Many can also combine single-sided pages into a double-sided page format (1:2). Double-sided booklet formats (2:2 with a center fold) are also available, depending on ...

  3. Triple beam balance - Wikipedia

    en.wikipedia.org/wiki/Triple_beam_balance

    Base - The base rests underneath the weighing pan and can usually be customized to fit on a workbench or set up with tripod legs. Beams - The three beams on the balance are used to set the level of precision, with each beam working at different increments (1-10 grams, 10 grams and 100 grams). When using the triple beam balance, it is ...

  4. Ludlow Typograph - Wikipedia

    en.wikipedia.org/wiki/Ludlow_Typograph

    The primary functional differences between a Ludlow Typograph and a Linotype is that the latter uses a keyboard to compose each line of type while Ludlow uses hand-set mats, and that an ordinary Linotype was limited to faces smaller than 24 point but Ludlow made whole alphabets up to 96 point and figures as large as 240 point. [1]

  5. Standard (metrology) - Wikipedia

    en.wikipedia.org/wiki/Standard_(metrology)

    The international prototype of the kilogram (IPK) is an artefact or prototype that was defined to have a mass of exactly one kilogram.. In metrology (the science of measurement), a standard (or etalon) is an object, system, or experiment that bears a defined relationship to a unit of measurement of a physical quantity. [1]

  6. Printing press - Wikipedia

    en.wikipedia.org/wiki/Printing_press

    A printing press, in its classical form, is a standing mechanism, ranging from 5 to 7 feet (1.5 to 2.1 m) long, 3 feet (0.91 m) wide, and 7 feet (2.1 m) tall. [38] The small individual metal letters known as type would be set up by a compositor into the desired lines of text. [39]

  7. National Conference on Weights and Measures - Wikipedia

    en.wikipedia.org/wiki/National_Conference_on...

    The Weights and Measures Law was first signed into law on March 2, 1799 by President John Adams. In 1905, a meeting of the states was held to address the challenges of regulating weights and measures. As a result, an agreement was made to convene annually to set national standards for voluntary adoption and implementation by the states.

  8. Offset printing - Wikipedia

    en.wikipedia.org/wiki/Offset_printing

    Offset printing is a common printing technique in which the inked image is transferred (or "offset") from a plate to a rubber blanket and then to the printing surface. When used in combination with the lithographic process, which is based on the repulsion of oil and water , the offset technique employs a flat ( planographic ) image carrier.

  9. Printing registration - Wikipedia

    en.wikipedia.org/wiki/Printing_registration

    In printing, registration black is a black color that includes 100% of each of the process colors used. Typically these are cyan, magenta, yellow and black , [4] but if different colors are used, registration black marks are made with all of the colorants (inks). [4] Registration black is used for printing crop marks and registration marks ...