AGA:s optiktorn, Industrial observation tower in Skärsätra, Sweden.
AGA:s optiktorn is a five-story yellow tower with multiple balconies standing at a former industrial site on Södra Kungsvägen in Lidingö Municipality. It was built as a testing facility for optical equipment and remains a notable landmark of Swedish industrial history.
The tower was built in 1943 by AGA company and initially served as a testing facility for submarine periscopes during World War II. Production continued after the war until it stopped in 1987.
The structure shows Swedish industrial architecture from the 1940s in functionalist style, designed for military equipment testing needs. Its form and materials reflect the practical requirements of that era.
The site underwent renovation in 2022, improving its condition and visitor accessibility while preserving original structural elements. It is best to visit during daylight hours to fully appreciate the architectural details of the tower and surrounding area.
The site is connected to underground facilities that were built as shelter for people and contained independent power generation systems. This underground component made the location a multi-layered industrial facility with defensive features.
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