Railway Signaling in Theory and PracticeMackenzie-Klink Publishing Company, 1909 - 420 páginas |
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Página 13
... insulated with fiber, on each end of the rails on either side. The rails in the section are bonded together by wires (usually (iNo. 8 galvanized), riveted into the ends of the rails so as to make a continuous path for the electric ...
... insulated with fiber, on each end of the rails on either side. The rails in the section are bonded together by wires (usually (iNo. 8 galvanized), riveted into the ends of the rails so as to make a continuous path for the electric ...
Página 13
... insulated with fiber , on each end of the rails on either side . The rails in the section are bonded together by wires ( usually No. 8 galvanized ) , riveted into the ends of the rails so as to make a continuous path for the electric ...
... insulated with fiber , on each end of the rails on either side . The rails in the section are bonded together by wires ( usually No. 8 galvanized ) , riveted into the ends of the rails so as to make a continuous path for the electric ...
Página 57
... insulating substances . An iron or copper wire covered with rubber or silk is said to be insulated . ( 9 ) If an insulated wire through which an elec- tric current is passing is wound around a piece of steel or iron ( see Fig . 20 ) ...
... insulating substances . An iron or copper wire covered with rubber or silk is said to be insulated . ( 9 ) If an insulated wire through which an elec- tric current is passing is wound around a piece of steel or iron ( see Fig . 20 ) ...
Página 151
... insulated from the slide bar , bears against the ends of the two springs in one end of the indication box , thus com- pleting a circuit from the positive pole of the bat- tery through one of the indication magnet coils , to one spring ...
... insulated from the slide bar , bears against the ends of the two springs in one end of the indication box , thus com- pleting a circuit from the positive pole of the bat- tery through one of the indication magnet coils , to one spring ...
Página 154
... insulated from the poles . It should be noted that there are no balance lev- ers , " L " cranks or counter weights with these sig- nals . The arm plate castings are made very heavy on the side opposite the blade , and the up and down ...
... insulated from the poles . It should be noted that there are no balance lev- ers , " L " cranks or counter weights with these sig- nals . The arm plate castings are made very heavy on the side opposite the blade , and the up and down ...
Outras edições - Ver tudo
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.