.mw-parser-output .hidden-begin{box-sizing:border-box;width:100%;padding:5px;border:none;font-size:95%}.mw-parser-output .hidden-title{font-weight:bold;line-height:1.6;text-align:left}.mw-parser-output .hidden-content{text-align:left}You can help expand this article with text translated from the corresponding article in German. (April 2022) Click [show] for important translation instructions.
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The Helios AG für elektrisches Licht und Telegraphenanlagenbau was a German electrical engineering company. Founded in 1882, it existed until its liquidation in 1930. The company was based in the town of Ehrenfeld, which was incorporated into Cologne in 1888. The company is presently best known for the Heliosturm, a lighthouse on the former site of the factory that was constructed for test and research purposes. Today, the area is used by gastronomy and craft businesses.
