Classification expedited, operation reduced to two tricks, with approximate net saving of $153,000 annually; changes in track layout; class and volume of traffic; layout plan showing location of retarders and switches; comparison of operating results; diagram of circuit for protection of switches. (See also Ry. Signaling vol. 23, no. 7, July 1930 pp. 250-254, 8 figs)
The Pennsylvania installs car retarders in Pitcairn yard
Ry. Age
Railway Age ; 88 , n 26
1930
3 pages
3 Figs.
Aufsatz (Zeitschrift)
Englisch
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The Pennsylvania installs car retarders in Pitcairn yard
Engineering Index Backfile | 1930
Pennsylvania installs car retarders in Pitcairn Yard, near Pittsburgh, Pa
Engineering Index Backfile | 1931
Pennsylvania installs retarders in yard at Harrisburg, Pa.
Engineering Index Backfile | 1938
Pennsylvania installs retarders in yard at Harrisburg, Pa.
Engineering Index Backfile | 1938
Pennsylvania installs retarders in yard at Harrisburg, Pa
Engineering Index Backfile | 1939