 | United States. Interstate Commerce Commission - 1951 - Страниц: 1164
...semaphore. — The extended part of a semaphore arm which •hows the position of the arm. ( 138.708 Block.— A. length of track of defined limits, the...Is governed by block signals, cab signals, or both. 1 186.700 Block, abtolute. — A block in which no train Is permitted to enter while It Is occupied... | |
 | United States. Interstate Commerce Commission - 1951 - Страниц: 1006
...defined limits, the use of which bj trains is governed by block signals, cab signals, or both. § 136.709 Block, absolute. — A block in which no train is...permitted to enter while it is occupied by another train. § 136.710 Block, latch. — The lower extremity of a latch rod which engages with a square shoulder... | |
 | United States. Interstate Commerce Commission - 1933 - Страниц: 1174
...which indicates a condition or a change of condition of one or more elements of the system. Blootc. — A length of track of defined limits, the use of which by trains Is governed by fixed signals or cab signals or both. Cab. — The compartment occupied by engineman, fireman, or motorman,... | |
 | William L. Derr - 1902 - Страниц: 296
...definitions of interlocking and block signals, as revised by its Joint Committee, February 20 and '21, 1896. Block. — A length of track of defined limits, the use of which by trains is controlled by block signals. Block Station. — The office from which block signals are operated. Block... | |
 | Southern Pacific Company (Pacific System) - 1903 - Страниц: 176
...one mast with brackets, or by using separate masts from the ground. BLOCK SIGNALING. DEFINlTlONS. 18. BLOCK— A length of track of defined limits, the use of which by trains is controlled by Block Signals. 19. BLOCK STATION— A place from which Block Signals are operated. 20.... | |
 | American Railway Engineering and Maintenance-of-Way Association - 1907 - Страниц: 308
...SIGNALING AND INTERLOCKING. 6 I 5 •I I 1 I 'SIGNALING AND INTERLOCKING. DEFINITIONS. ——__«. BLOCK.— A length of track of defined limits, the use of which by trains is controlled by block signals. BLOCK STATION. — A place from which block signals are operated. BLOCK... | |
 | Railway Signal Association - 1908 - Страниц: 572
...sent through a single telegraph wire; used on electric railroads. See Figs. 405-470. Block (noun). A length of track of defined limits, the use of which by trains is governed by block signals. The common name for a block section. Block Indicator. An electro-magnetic device (in a signal cabin)... | |
 | George M. Dodge - 1911 - Страниц: 320
...received for it. BLOCK SIGNALING. As Recommended by the American Railway Association. Definitions. BLOCK. — A length of track of defined limits, the use of which by trains is controlled by block signals. BLOCK STATIONS. — A place from which block signals are operated. BLOCK... | |
 | Marshall Monroe Kirkman - 1913 - Страниц: 1016
...BLOCK SYSTEM CONTROLLED MANUAL BLOCK SYSTEM AUTOMATIC BLOCK SYSTEM. BLOCK SIGNAL RULES.* Definitions. BLOCK. — A length of track of defined limits, the use of which by trains is controlled by block signals. BLOCK STATION. — A place from which block signals are operated. FIXED... | |
 | United States. Congress. House. Committee on Interstate and Foreign Commerce - 1916 - Страниц: 260
...the rules may be filled by each railroad to suit its own organization or requirements. DEFINITIONS. Block. — A length of track of defined limits, the...use of which by trains is governed by block signals. Block station. — A place from which block signals are operated. Fixed signal. — A signal of fixed... | |
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Bed, locking. That part of an interlocking machine that contains or holds the tappets, locking bars, crosslocking, dogs and other apparatus used to interlock the levers. 
