SKU: GP0584

With graduated sliding piston. The organ pipe is of a square section, of polished wood and fitted with a tapered mouthpiece.

The slider is also square in section,32x32mm, of wood and with a knob at the end for easy control. The slider has a scribed and lettered line for each note which may be aligned with the end of the pipe to give a diatonic scale from c 256 to c 512.

Overall dimensions closed 540x50x50mm.