Pre-Owned A Contemporary Perspective on GWR Signalling - Semaphore Swansong (Paperback)
Dr Allen Jackson

Pre-Owned A Contemporary Perspective on GWR Signalling - Semaphore Swansong (Paperback)

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Pre-Owned: Like New
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For over 150 years Britain's railways have relied on a system of semaphore signalling, but by 2020, all semaphore signals and lineside signal boxes will be gone. A Contemporary Perspective on GWR Signalling provides a unique record of the last operational mechanical signalling and infrastructure on Britain's railway network, as it applied to the former Great Western Railway (and lines owned jointly with other companies). It also includes a comprehensive explanation of what mechanical signalling is and how it works. Beautifully illustrated with over 400 contemporary images and with detailed information from a 2003-2014 survey, this is an essential resource for anyone with an interest in the traditional signalling systems of railways in Britain. The book covers:Lineside signalling equipment - semaphore signals, brackets and gantries, and other variations.Ways of working, from Absolute Block to Track Circuit Block (TCB).Detailed coverage of the signal boxes and infrastructure on Network Rail, including routes through Shrewsbury, Hereford, Worcester, Cornwall, Chester and North Warwickshire.Diagrams of the major routes.
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What is Pre-Owned: Like New?

Appears new but has been read with very minimal signs of use. The cover has no visible wear. If applicable, the dust jacket is included for hard covers. Item has no missing or damaged pages, no creases or tears, and no markings such as underlining, highlighting or writing in margins. Used textbooks do not require the inclusion of supplemental materials.

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Product image for illustration purposes only. The item you receive may vary from the image in minor ways, such as slight differences in appearance, color, and/or design. *Exceptions apply during holiday season, and on certain electronics, collectibles, and jewelry.

Pre-Owned: Like New

Item is in excellent condition, perfect working condition and has no signs of wear/usage. The original protective wrapping, if any, may be missing but the original packaging is intact.

What is the Walmart Pre-Owned Program?

Walmart Pre-Owned allows you to find previously owned, well-cared-for items from Walmart’s trusted & performance-managed sellers. Shopping Pre-Owned allows you to bring home the best-quality picks at even lower prices, in addition to extending the life of an item & reducing waste. Find your favorites & shop a range of conditions in every category.

See here for additional details & specific condition qualifications.

Why Walmart Pre-Owned?

Trusted sellers & quality items

Each Pre-Owned item listed comes from Walmart’s trusted performance-managed sellers, to ensure you get quality items.

Quality you can afford

Save even more on top brands & your most-loved items.

30-day free returns

Don’t love it? Most items offer a 30-day* free return policy, for added peace of mind.

Sustainability

Shopping Pre-Owned helps in extending the life of an item & reducing waste.

Product image for illustration purposes only. The item you receive may vary from the image in minor ways, such as slight differences in appearance, color, and/or design. *Exceptions apply during holiday season, and on certain electronics, collectibles, and jewelry.

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