May: Cab signals and power immune from foreign current are features; new code system of train stop in which four indications of cab signal are secured by novel system of coded current, transmitted through rails to approaching locomotive; train-control development on Pennsylvania; code system brought out in 1926; general description of operation; wayside control circuits; control for single track. June: Description of apparatus on locomotive, including both electrical and pneumatic; manual-service application; automatic train-stop application; forestalling automatic train-stop application; preventing release; release after automatic train-stop application; details of pneumatic portion of code system; charging system. (See also Ry. Elec. Engr vol. 19, nos. 5 and 6, May pp. 143-146 and 183-188, 15 figs; Ry. Signaling, vol. 21, no. 4, Apr. 1928, pp. 125-132, 11 figs.)
Code system of train stop installed on the Pennsylvania
Ry. Age
Railway Age ; 84 , n 2
1928
4 pages
4 Figs.
Aufsatz (Zeitschrift)
Englisch
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Code system of train stop installed on the Pennsylvania
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