... rail , establishes electrical connection between said branch rail and the conductor - rail , and short - circuits the main - track circuit , which operates the signal . 803,503 . COMBINED CULTIVATOR AND PLANTER . HENRY T. MONSON ...
... conductor rail ( a ) as shown in the illustration . Where the line crosses wagon roads the conductor rail is depressed , covered from any exposure , and carried be- neath the ground , while the train crosses such places on its own ...
... conductor bars without any injury to the boy who was experimenting . The only chance that appears to exist for an accident even to such flagrant trespassers would be when through an accident one side of the line slot rail tongue , and ...
... railway system , of the frame C supported on swinging links , whereby it is enabled to swing freely in one direction , and provided with the flanged trucks between which the conductor bar is placed , and said conductor bar , substan ...
... conductor rail and a negative polarity 1,500Volt conductor rail . ( See plate 3 ) The traction current flow would be from the substation out along the 1,500V positive conductor rail to pickup shoes on a power bogie having two 750V , 200 ...
... Conductor Rails . conduit work , are contained in a cast - iron cup . Upon the rail are placed hard terra - cotta ... rail being sufficient to prevent any great degree of vertical sag or movement from the upward pressure of the sliding ...
( 3.4 ) Maintenance of Conductor Rail and Associated Electrical ( 3.4.1 ) Life of Conductor Rail . Equipment The life of a conductor rail is dependent upon the maximum permissible reduction in cross - sectional area due to corrosion and ...
... conductor rail at South Park has more than adequate cross section for any system . It has already been pointed out that the reactance of a transmission line is a geometric property affected very slightly by the cross section of the ...
... conductor rail is .5 ohm , and in the conductor rail from Bushmills to Portrush is 1.4 ohms ; the total resistance from the gen- erating station to Portrush and back is therefore 1.9 ohms . The insulation resistance along the whole line ...
... conductor rail is attached . The insulator is 74 inches high over all and the conductor rail is 14 inches below the top of the slot rail . The construction adopted at manholes and cleaning pits is shown in the illustration , Fig . 3 ...