Denver and Northwestern Railway Co. - 1920's circa Unissued Colorado Electric Railroad Stock Certificate

Unissued Stock. Great trolley car vignette! Stub attached at left. Railway electrification is the development of powering trains and locomotives using electricity instead of diesel or steam power. The history of railway electrification dates back to the late 19th century, when the first electric tramways were introduced in cities like Berlin, London, and New York City. In 1895, the first railway in the world to be electrified was the Gross-Lichterfelde Tramway in Berlin, Germany. It was followed by the electrification of the Baltimore and Ohio Railroad's Baltimore Belt Line in the United States in 1895–96, the first electrified mainline railway.

The early electrification of railways used direct current (DC) power systems, which were limited in terms of the distance they could transmit power. However, in the early 20th century, alternating current (AC) power systems were developed, which allowed for more efficient power transmission over longer distances. In the 1920s and 1930s, many countries around the world began to electrify their railways. In Europe, Switzerland, France, and Italy were among the early adopters of railway electrification. In the United States, the New York, New Haven and Hartford Railroad was one of the first major railways to be electrified. Railway electrification continued to expand throughout the 20th century, with improvements in technology and the development of high-speed trains and commuters. Read more at https://en.wikipedia.org/wiki/Railway_electrification

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