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Apparatus used at the laboratory at the C & NW RR's 40th Street yards for analysing solutions of metals used in locomotives and the railroad plant, in general, Chicago, Ill.
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Truck trailers line up at a freight house to load and unload goods from the Chicago and Northwestern railroad, Chicago, Ill.
Locomotive lubrication chart in the laboratory of the Chicago and Northwestern Railroad. The laboratory assistant in foreground is working at a precision balance. Chicago, Ill
Locomotive lubrication chart in the laboratory of the Chicago and Northwestern Railroad. The laboratory assistant in foreground is working at a precision balance. Chicago, Ill