The Take five is merely one of what well may be a huge number of "Black Level Items" depending on what Klaus meant when he . This one seems to do something to the space-time continuum, assuming that there is a such a thing in the Girl Genius Universe.
As stated in Agatha H. and the Airship City the Baron has sparks in his employ turn their attention to municipal applications of their talents. They sometimes get bored though, and draw up plans or make prototypes of death rays and the like. There are allegedly warehouses built for this purpose of storing all of the material. The Vault that holds the Black Level Items are an example of this system, meant for storage of the most dangerous creations.