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  2. Time–distance diagram - Wikipedia

    en.wikipedia.org/wiki/Timedistance_diagram

    A timedistance diagram is a chart with two axes: one for time, the other for location. The units on either axis depend on the type of project: time can be expressed in minutes (for overnight construction of railroad modification projects such as the installation of switches) or years (for large construction projects); the location can be (kilo)meters, or other distinct units (such as ...

  3. Category:Timeline templates - Wikipedia

    en.wikipedia.org/wiki/Category:Timeline_templates

    <noinclude>[[Category:Timeline templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character. This is a category of templates that generate timelines.

  4. Ordnance Survey National Grid - Wikipedia

    en.wikipedia.org/wiki/Ordnance_Survey_National_Grid

    The map shows The Wash and the North Sea, as well as places within the counties of Lincolnshire, Cambridgeshire and Norfolk. The first letter of the British National Grid is derived from a larger set of 25 squares of size 500 km by 500 km, labelled A to Z, omitting one letter (I) (refer diagram below), previously used as a military grid. [ 4 ]

  5. Adams Synchronological Chart or Map of History - Wikipedia

    en.wikipedia.org/wiki/Adams_Synchronological...

    The design may have inspired later 'Maps of World History' such as the HistoMap by John B. Sparks, which chronicles four thousand years of world history in a graphic way similar to the enlarging and contracting nation streams presented on Adam's chart. Sparks added the innovation of using a logarithmic scale for the presentation of history.

  6. Category:Timelines of cities in the United Kingdom - Wikipedia

    en.wikipedia.org/wiki/Category:Timelines_of...

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    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!

  8. Principal Triangulation of Great Britain - Wikipedia

    en.wikipedia.org/wiki/Principal_Triangulation_of...

    The first Ramsden theodolite as used by Roy. (Destroyed by bomb damage in 1941.) In the aftermath of the Jacobite rising of 1745, the Duke of Cumberland (military commander against the rebels) – advised by Lieutenant-Colonel David Watson, a Deputy Quartermaster-General of the Board of Ordnance – recognised that there was a need for an accurate map of the Scottish Highlands.

  9. Isochrone map - Wikipedia

    en.wikipedia.org/wiki/Isochrone_map

    An isochrone map in geography and urban planning is a map that depicts the area accessible from a point within a certain time threshold. [1] An isochrone (iso = equal, chrone = time) is defined as "a line drawn on a map connecting points at which something occurs or arrives at the same time". [ 2 ]