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Greater speeds and the need for more accurate timings led to the introduction of standard railway time in Great Western Railway timetables in 1840, when all their trains were scheduled to "London time", i.e. Greenwich Mean Time (GMT), which replaced solar time. Until railway time was introduced, local times for London, Birmingham, Bristol and ...
Clock on The Exchange, Bristol, showing two minute hands, one for London time and one for Bristol time (GMT minus 11 minutes).. Railway time was the standardised time arrangement first applied by the Great Western Railway in England in November 1840, the first recorded occasion when different local mean times were synchronised and a single standard time applied.
The first combined railway timetable was produced by George Bradshaw in 1839. [2] His guide assembled timetables from the many private railway companies into one book. Bradshaw's continued to be published until 1961, with demand dwindling after the grouping of the railways in 1923, as each of the new "Big Four" companies published their own ...
The representation of a grammar is a set of syntax diagrams. Each diagram defines a "nonterminal" stage in a process. There is a main diagram which defines the language in the following way: to belong to the language, a word must describe a path in the main diagram. Each diagram has an entry point and an end point.
The detail found in Working Timetables includes the timings at every major station, junction, or other significant location along the train's journey (including additional minutes inserted to allow for such factors as engineering work or particular train performance characteristics), [2] which platforms are used at certain stations, and line codes where there is a choice of running line.
The guide was first published in 1853 [2] by William Tweedie of 337 Strand, London, under the title The ABC or Alphabetical Railway Guide.It had the subtitle: How and when you can go from London to the different stations in Great Britain, and return; together with the fares, distances, population, and the cab fares from the different stations.
Rail transport terms are a form of technical terminology applied to railways. Although many terms are uniform across different nations and companies, they are by no means universal, with differences often originating from parallel development of rail transport systems in different parts of the world, and in the national origins of the engineers and managers who built the inaugural rail ...
A time–distance 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 ...