Stroch Violin       
               Stroh String, Or Strohviol, (Romanian: Vioara Copper Goarnă) Could Be A Name For A Horn-Violin, Or Stringophone—Astring That Amplifies Its Sound Through A Metal Resonator And Metal Horns Instead Of A Picket Sound Box As On A Typical Violin. The Instrument Is Called When Its Designer, John Matthias Gaius Octavianus Stroh, Associate Degree 'Electrical Engineer' In London, UN Agency Proprietary It In 1899. The Stroh String Is Additionally Closely associated With Different Bicornate Violins Employing A Translucent Substance Sheet-Resonating Diaphragm,Called Phonofiddles.

          In The Gift Day, Many Sorts Of Horn-Violin Exist, Particularly Within The Balkans.

              This Instrument Was Proprietary (English Patent #9418) By John M.A. Stroh In London England On Might Four, 1899and Made By Martyr Evans & Co. From 1904–1942. John Matthias Augustus Stroh Was Born In Metropolis Am Main In 1828, Associated Was An Apprentice Watch And Clock Maker, UN Agency Immigrated To England In 1851. During This instrument, The Stroh Patent For Amplifying A Vibrated String Is Tailored To The Bowed Stringed Instrument. Strohfabricated Several Acoustic Devices, And Therefore The Idea Of This Patent Originated From Work On The Mechanical Sound-Box Of The Record Player. This Bowed Stringed Instrument Is Formed Of A Solid Cylindrical Body Designed of 2 Items Of Half-Round Mahogany, Associate Atomic Number 13 Shoulder Rest, Diaphragm And Horn, Ancient Bowed Stringed Instrument Neck, Peg box, And Scroll Of Maple, And A Dark Red-Brown Varnish.