Railway Signaling in Theory and PracticeMackenzie-Klink Publishing Company, 1909 - 420 páginas |
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Página 73
... screw . Through this shackle or connector a grooved metal eye , known as a wire eye , is passed . The wire is then passed around the groove in the wire eye and wrapped several times around itself . On the ground floor of the tower two ...
... screw . Through this shackle or connector a grooved metal eye , known as a wire eye , is passed . The wire is then passed around the groove in the wire eye and wrapped several times around itself . On the ground floor of the tower two ...
Página 76
... screws . There are one or two metal tops now on the market which are used to some TT Fig . 31 . extent , and the use of which will no doubt become more general as the price of lumber advances . Formerly it was the general practice to ...
... screws . There are one or two metal tops now on the market which are used to some TT Fig . 31 . extent , and the use of which will no doubt become more general as the price of lumber advances . Formerly it was the general practice to ...
Página 78
... screws to every fourth pipe carrier top , so as to space them 21 ft apart . As the wire is never in com- pression ... screw the pipe carriers to the tops of these stakes . The row of stakes is generally set parallel to the track , and ...
... screws to every fourth pipe carrier top , so as to space them 21 ft apart . As the wire is never in com- pression ... screw the pipe carriers to the tops of these stakes . The row of stakes is generally set parallel to the track , and ...
Página 85
... screw jaws are also used to some extent . One of these is shown in Fig . 36. The principal dif- Fig . 36 . ference ... screw jaw , in which case the point adjusting screw may be omitted , will be found . very convenient . Where there are ...
... screw jaws are also used to some extent . One of these is shown in Fig . 36. The principal dif- Fig . 36 . ference ... screw jaw , in which case the point adjusting screw may be omitted , will be found . very convenient . Where there are ...
Página 87
... screws are univer- sally provided in the base of the tower , so that in case of any very sudden changes in temperature the lever- man in a minute or two can readjust the wires . Fig . 38 . Nevertheless wire compensators have been ...
... screws are univer- sally provided in the base of the tower , so that in case of any very sudden changes in temperature the lever- man in a minute or two can readjust the wires . Fig . 38 . Nevertheless wire compensators have been ...
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Palavras e frases frequentes
alternating current arm plate armature arranged attached back locking battery binding posts cast iron cell chain wheels circuit controller clear coil Company compensator contractor crank arms cross lock cylinder deflecting bars derails detector bar diameter distant signal dwarf signal electric current electric locking engine runner facing point lock fastened high signals home signal lever horizontal indication magnet insulated interlocking machine interlocking plant iron latch LEVER LOCKS leverman local battery lock lever lock movement lock rod locking bar locking bed locking sheet mechanical motor move notch operated pipe carriers pipe line placed plunger pole power interlocking purchaser rail railroad Railway Signal relay rocking shaft roller route Saxby and Farmer screw semaphore side signal blade signal bridge Signal Company's signal engineers slide slot specifications Split Links stop switch and lock tappet tion tower track circuit train trunking valve wire wire connected wrought iron
Passagens conhecidas
Página 312 - This Agreement shall be binding upon and inure to the benefit of the parties hereto and their respective heirs, personal representatives, successors, and permitted assigns.
Página 353 - Unless compensation is otherwise provided for, a lazy jack compensator shall be provided for each pipe line over fifty (50) ft. in length and under eight hundred (800) ft., with crank arms ten by thirteen (10x13) in.
Página 306 - NOW, THEREFORE, IN CONSIDERATION OF THE PREMISES, AND IN FURTHER CONSIDERATION OF THE SUM OF ONE...
Página 344 - The nature and spirit of these specifications are to provide for the work herein enumerated to be fully completed in every detail for the purpose designed; and it is hereby understood that the contractor in accepting the contract agrees to furnish any and everything obviously necessary for such construction.
Página 19 - ... so interconnected that their movements must succeed each other in a predetermined order.
Página 312 - ... three general appraisers, which shall be on duty at the port of New York, or to a board of three general appraisers who may be designated by the Secretary of the Treasury for such duty at that port or at any other port, which board shall examine and decide the case thus submitted, and their decision, or that of a majority of them, shall be final and conclusive upon all persons interested therein...
Página 311 - Government and the said companies ; the terms on which the indemnity thus agreed upon shall be paid shall be referred to a Board of three Arbitrators, one to be named by the President of the United States, one by the President of the Dominican Republic, and the third by the President of the United States and the President of the Dominican Republic jointly ; but if, within sixty days after the signature of the present Protocol, the third arbitrator shall not...
Página 384 - ... ft. above top of rail in normal position. 126. Semaphore arms on the same high pole shall be placed not less than six (6) ft. from center to center. 127. High signal arms shall be made of well-seasoned, clear white ash, or equally good material. Dwarf signal arms shall be made flexible. 128. All high arm castings shall be capable of holding three glasses six and one-half (6J4) in.
Página 262 - Block. — A length of track of defined limits, the use of which by trains is controlled by block signals.
Página 312 - IN WITNESS WHEREOF, the parties have caused these presents to be executed in duplicate by their respective officers as of the day and year first above written.