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  2. Blueprint - Wikipedia

    en.wikipedia.org/wiki/Blueprint

    A blueprint is a reproduction of a technical drawing or engineering drawing using a contact print process on light-sensitive sheets introduced by Sir John Herschel in 1842. [1] The process allowed rapid and accurate production of an unlimited number of copies. It was widely used for over a century for the reproduction of specification drawings ...

  3. Blueprint (newspaper) - Wikipedia

    en.wikipedia.org/wiki/Blueprint_(newspaper)

    Blueprint is a Nigerian daily newspaper based in Abuja.The newspaper started as a weekly publication in May 2011, then switched to a daily paper in September 2011. The paper has two editions - the print edition published daily and the online edition which updates as events unfold.

  4. Whiteprint - Wikipedia

    en.wikipedia.org/wiki/Whiteprint

    Whiteprint plan copy. Whiteprint describes a document reproduction produced by using the diazo chemical process. [1] It is also known as the blue-line process since the result is blue lines on a white background. It is a contact printing process that accurately reproduces the original in size, but cannot reproduce continuous tones or colors.

  5. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    Appearance. Engineering drawing abbreviations and symbols are used to communicate and detail the characteristics of an engineering drawing. This list includes abbreviations common to the vocabulary of people who work with engineering drawings in the manufacture and inspection of parts and assemblies. Technical standards exist to provide ...

  6. Engineering drawing - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing

    v. t. e. An engineering drawing is a type of technical drawing that is used to convey information about an object. A common use is to specify the geometry necessary for the construction of a component and is called a detail drawing. Usually, a number of drawings are necessary to completely specify even a simple component.

  7. Cyanotype - Wikipedia

    en.wikipedia.org/wiki/Cyanotype

    Cyanotype. The cyanotype (from Ancient Greek: κυάνεος, kyáneos 'dark blue' and τύπος, týpos 'mark, impression, type') is a slow-reacting, economical photographic printing formulation sensitive to a limited near ultraviolet and blue light spectrum, the range 300 nm to 400 nm known as UVA radiation. [1]

  8. Photographic paper - Wikipedia

    en.wikipedia.org/wiki/Photographic_paper

    Advertisement for Ansco Cyko photographic paper, 1922. Photographic paper is a paper coated with a light-sensitive chemical, used for making photographic prints.When photographic paper is exposed to light, it captures a latent image that is then developed to form a visible image; with most papers the image density from exposure can be sufficient to not require further development, aside from ...

  9. Sun printing - Wikipedia

    en.wikipedia.org/wiki/Sun_printing

    Potassium dichromate. Sun printing may also refer to a photographic process using potassium dichromate which produces a negative plate for conventional lithographic printing. The process uses a film of gelatine spread on a flat and rigid surface. This is coated with a dilute solution of potassium dichromate and dried in low light conditions.