Violinofon Au Violin De Stroh

The Stroh or Stroviol violin is a type of stringed musical instrument that is mechanically amplified by a metallic resonator and a horn attached to its body. The name Stroviol refers to a violin, but other instruments have been modified with the amplification device, including the viola, cello, double bass, ukulele, mandolin, and guitar. John Matthias Augustus Stroh, an electrical engineer in London, invented the instrument in 1899. Measures: 60 cm wide. Good condition