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  2. Pillar box - Wikipedia

    en.wikipedia.org/wiki/Pillar_box

    Until 2015, all new pillar boxes for use in the UK were Type A traditional pillars or Type C oval pillars from the foundry of Machan Engineering, Denny, Falkirk, Scotland. The foundry, which was dissolved in 2016, was the sole supplier of cast-iron pillar boxes to the Royal Mail since the 1980s and had seen orders dwindle to a single box a year.

  3. Pillarbox - Wikipedia

    en.wikipedia.org/wiki/Pillarbox

    Some early sound films made between 1928 and 1931, such as Sunrise: A Song of Two Humans, were released in even narrower formats such as 1.20:1 to make room for the sound-on-film track on then-standard film stock. [1] These will appear pillarboxed even on 4:3 screens.

  4. ANSI/ASME Y14.1 - Wikipedia

    en.wikipedia.org/wiki/ANSI/ASME_Y14.1

    A size chart illustrating the ANSI sizes. In 1992, the American National Standards Institute adopted ANSI/ASME Y14.1 Decimal Inch Drawing Sheet Size and Format, [1] which defined a regular series of paper sizes based upon the de facto standard 8 + 1 ⁄ 2 in × 11 in "letter" size to which it assigned the designation "ANSI A".

  5. Geometric dimensioning and tolerancing - Wikipedia

    en.wikipedia.org/wiki/Geometric_dimensioning_and...

    Example of true position geometric control defined by basic dimensions and datum features. Geometric dimensioning and tolerancing (GD&T) is a system for defining and communicating engineering tolerances via a symbolic language on engineering drawings and computer-generated 3D models that describes a physical object's nominal geometry and the permissible variation thereof.

  6. Reference dimension - Wikipedia

    en.wikipedia.org/wiki/Reference_Dimension

    A reference dimension is a dimension on an engineering drawing provided for information only. [1] Reference dimensions are provided for a variety of reasons and are often an accumulation of other dimensions that are defined elsewhere [ 2 ] (e.g. on the drawing or other related documentation).

  7. ISO 128 - Wikipedia

    en.wikipedia.org/wiki/ISO_128

    ISO 5457:1999 Technical product documentation — Sizes and layout of drawing sheets; ISO 5459:2011 Geometrical product specifications (GPS) — Geometrical tolerancing — Datums and datum systems; ISO 5845-1:1995 Technical drawings — Simplified representation of the assembly of parts with fasteners — Part 1: General principles

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Column - Wikipedia

    en.wikipedia.org/wiki/Column

    A column or pillar in architecture and structural engineering is a structural element that transmits, through compression, the weight of the structure above to other structural elements below. In other words, a column is a compression member .