Rhythm Analysis: A Heuristic Tool for Historical Infrastructure Research.

Infrastructures enable circulation, but the tools to analyze it are lacking. This essay presents rhythm analysis as a heuristic device: a way to research movements in infrastructure. Thus far, infrastructure research has paid little attention to movement and rhythm and instead privileged system building, grid development, and integration.

[Technical Infrastructures as Products and Producers of Time].

During the last few years "time" has been an intensively debated topic among historians. This concept is increasingly being considered in the history of technology as well. For historical research on infrastructures, however, time still plays a minor role.