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  2. Railway semaphore signal - Wikipedia

    en.wikipedia.org/wiki/Railway_semaphore_signal

    Semaphore signals were patented in the early 1840s by Joseph James Stevens, and soon became the most widely used form of mechanical signal. Designs have altered over the intervening years, and colour light signals have replaced semaphore signals in most countries, but in a few they remain in use.

  3. North American railroad signaling - Wikipedia

    en.wikipedia.org/wiki/North_American_railroad...

    The NORAC rule book illustrates all signal aspects and indications which may appear on track operated by member railroads. However, GCOR does not illustrate signal aspects and indications because of the lack of uniformity between the participating railroads. Signal aspect and indication illustrations instead appear in each railroad's system ...

  4. North American railroad signals - Wikipedia

    en.wikipedia.org/.../North_American_railroad_signals

    A semaphore signal on the Atchison, Topeka and Santa Fe Railway in 1943. Semaphore signals were first developed in England in 1841. [2]: 169 Some U.S. railroads began to install them in the early 1860s, and semaphores gradually displaced other types of signals. The Union Switch & Signal company (US&S) introduced an electro-pneumatic design in ...

  5. Dapol - Wikipedia

    en.wikipedia.org/wiki/Dapol

    Dapol Ltd is a model railway manufacturer based in Chirk, Wales. The factory where some of the design and manufacturing take place is just over the border in England . The company is known for its model railway products in N gauge , OO gauge and O gauge.

  6. Railway signalling - Wikipedia

    en.wikipedia.org/wiki/Railway_signalling

    The earliest types comprised a board that was either turned face-on and fully visible to the driver, or rotated so as to be practically invisible. While this type of signal is still in use in some countries (e.g., France and Germany), by far the most common form of mechanical signal worldwide is the semaphore signal. This comprises a pivoted ...

  7. UK railway signalling - Wikipedia

    en.wikipedia.org/wiki/UK_railway_signalling

    A British Upper Quadrant semaphore signal. In the days of the first British railways, "policemen" were employed by every railway company. Their jobs were many and varied, but one of their key roles was the giving of hand signals to inform engine drivers as to the state of the line ahead. [3]

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    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. London, Midland and Scottish Railway - Wikipedia

    en.wikipedia.org/wiki/London,_Midland_and...

    The London, Midland and Scottish Railway (LMS [a]) was a British railway company.It was formed on 1 January 1923 under the Railways Act 1921, [1] which required the grouping of over 120 separate railways into four.