A Catalogue of the Devices and Their Parts (Classic Reprint) - Hardcover

Inhaltsangabe

Excerpt from A Catalogue of the Devices and Their Parts

Ince the organization of The Union Switch Signal Co. A large amount of work has been performed in the interlocking and block signaling field. A few statistics illustrating the scope of our business may prove of interest, and will certainly be instructive as showing the widespread and growing demand for safety appliances on railroads.

The saxby farmer improved interlocking machine is of the type which is most widely in use throughout the world, and almost to the exclusion of other types on this continent. More than 900 distinct plants, containing over levers, have been built by us, and equipped with this machine. Nearly every rail road in the North and East maintains at least one of these installations, while most roads have a great many more than one. For instance, on a certain great system, there are in service about 200 machines that contain in excess of levers, while on one of the large railroads in the East there are 175 machines, containing levers.

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