The Parmelee Piano Works where Mathushek Piano Manufacturing Company's instruments were made had one of the first non-experimental fire sprinklers, installed by M. Seward & Son, of New Haven based on the design patented by Henry S. Parmelee in 1874.
Die Parmelee Piano Works, wo die Mathushek Piano Manufacturing Company ihre Instrumente herstellte, hatten eine der ersten nicht-experimentellen Sprinkleranlagen, installiert von M. Seward & Son aus New Haven, basierend auf dem patentierten Design von Henry S. Parmelee von 1874.