The tower of the Dresden Technology Collections was built 100 years ago to expand the production of cameras and cinema projectors at Ernemann-Werke AG. The »Time Windows« exhibition invites visitors to explore the history of this impressive industrial building. On the tour through the museum, »time windows« here and there invite you to delve into the history of the building and learn interesting facts about the building and working life in the factory. Go on a search for clues!