WebHowever the GRS machines with pistol grips were heavy strong machines that could take a beating, and were beautifully crafted (in fact Taylor came up with the design). That may … WebMainline signalling - Supervision: seamless and complete control of mainline networks. Urban signalling - Alstom CBTC range: World leading high-capacity signalling. Urban signalling - Tramway & LRV signalling : Advanced assistance for operations and safety. Freight & mining signalling - ITCS: Satellite-based vital train control.
General Railway Signal - Wikipedia
http://www.subchat.com/readflat.asp?Id=938636 http://www.northamericaninterlockings.com/interlocking_machines_5.html thick linen paper
PRR Signal Standard Plans - Railfan
WebGRS NX Interlocking Machine. This is the interlocking machine from Cleveland Ohio's Windermere Station. This was made by General Railway Signal Co and was a Type NX … Interlocking is a safety measure designed to prevent signals and points/switches from being changed in an improper sequence. For example, interlocking would prevent a signal from being changed to indicate a diverging route, unless the corresponding points/switches had been changed first. See more In railway signalling, an interlocking is an arrangement of signal apparatus that prevents conflicting movements through an arrangement of tracks such as junctions or crossings. The signalling appliances and See more A minimal interlocking consists of signals, but usually includes additional appliances such as points and Facing Point locks (US: switches) and derails, and may include crossings at grade and movable bridges. Some of the fundamental principles of interlocking include: See more Interlockings can be categorized as mechanical, electrical (electro-mechanical or relay-based), or electronic/computer-based. Mechanical … See more Interlockings allow trains to cross from one track to another using a turnout and a series of switches. Railroad terminology defines the following types of interlockings as either complete or incomplete depending on the movements available. Although timetables … See more Railway interlocking is of British origin, where numerous patents were granted. In June 1856, John Saxby received the first patent for interlocking switches and signals. In 1868, … See more Electric locking "The combination of one or more electric locks or controlling circuits by means of which levers in an interlocking machine, or switches or other devices operated in … See more • Breath alcohol ignition interlock device • Fail-safe • Interlock (Engineering) • Lockout-tagout See more Web1927 - GRS came out with the first Centralized Traffic Control machine, again, invented by Sedgwick Wright. CTC combines interlocking with automatic block signaling. (4) (P.63) 1927 - The first CTC installation was on the New York Central Ohio Division between Stanley and Berwick OH. (4) (P.63) thick linen sheets