The exhibition is entitled Uncertain Instruments, as all the exhibits might be instruments, musical,scientific,or domestic, perhaps from some sort of parrallel world?

Some are mute, & a few actually produce a sound.I hope that people might imagine for themselves,what sort of sound, or the function of the instruments ,by examining them ? 

light industrielle,or pollutophone

Pictures in the wind

La petite Morte,this one does do something ,when you push the right button.

Dilemic Horn

 (below)platform for tyrants

elementary detector