The tone sequence siren (German: Martinshorn) from around the year 2000 is a component from an unmarked police car of the city of Essen police department....
The tone sequence siren (German: Martinshorn) from around the year 2010 is a component from a patrol car of the city of Essen police department. In combination...
The washboard from around 1900 is a tool for washing clothes. Before the washing machine was invented, washboards were common in practically all households...
The steam whistle of the steamboat “Nixe” from the year 1939 served as a means of communication through acoustic signals for the inland shipping industry....
The mechanical alarm clock of the brand Kaiser from the 1930s was a mass-produced article and predominantly used in private households. It is now part...
The signalling whistle from the 1950s was part of the work equipment used by a shunter for the industrial railway at the Henrichshütte Ironworks in Hattingen....
The signal horn from the 1950s was part of the work equipment used by a shunter for the industrial railway at the Henrichshütte Ironworks in Hattingen....
The time clock of the brand “Isgus” was used to record working hours on punch cards. Up until the 1950s, the company Viktor Chemical Works, a nitrogen...
The electric siren Elektror S0 KB from the 1960s was in use as a factory siren until the 1990s. It was used to alert personnel when machines were starting...
The mine telephone made by the company Funke & Huster GmbH has been installed in the shaft-hall of the LWL-Industrial Museum Zollern Colliery since 1990....
The overhead monorail, type GTW 72 (also known as the Wuppertal Suspension Railway), was built by Maschinenfabrik Augsburg- Nürnberg (MAN) in the 1970s...
The overhead monorail, type GTW 72 (also known as the Wuppertal Suspension Railway), was built by Maschinenfabrik Augsburg- Nürnberg (MAN) in the 1970s...