Illustrated description of the new standard 52-foot track scale of the Pennsylvania R. R. Co., first installed at West Brownsville Junction. (2500 w.) (No. 22453 C)
Large track scale with mechanical hump and relieving gear
Mach (Ry. Ed.)
1911
Article (Journal)
English
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Track scale with mechanical hump; Pennsylvania railroad
Engineering Index Backfile | 1911
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