A Bo-Bo electric locomotive number 2094 and a 2-4-0 steam locomotive number 17 Caroline at a locomotive shed, by Patrick Ransome-Wallis. At this time electric locomotives were becoming more widely used in Norway, especially in urban areas. Most Norwegian steam locomotives were built in Oslo, but the Norwegian railways also used German and Swiss locomotives. They needed to be economical as coal was not mined in Norway and had to be imported.
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