Dated photographs
Real photographs of fabrication and installation can document work performed at a particular date.
Plans and patents
Historical patents serve as references when reconstructing old devices and should remain distinct from modern adaptations.
Manufacturing chronology
A useful archive documents not only the finished object but also measurements, trials, assembly stages and changes.
Access to the archive
Bsaconcept.fr provides access to part of BSA Concept's historical documentation.
Explore this subject further
This page is a concise introduction from the Electroculture France portal. The corresponding specialist BSA website contains more detailed content, documents or products.
Open the BSA archives