Among the most common are: 1  Abdominal pain or cramping. 2  A bloated feeling. 3  Gas. Diarrhea or constipation â sometimes alternating bouts of constipation and diarrhea.  Mucus in the stool.
The Morrison Digital Trumpet or MDT (the prototype was code named MDH) is a new brass-style MIDI wind controller invented and designed by Steve Marshall with the great Australian multi-instrumentalist James Morrison.
The first firm to begin commercial production of the ear trumpet was established by Frederick C. Rein in London in 1800. As well as producing ear trumpets, Rein also sold hearing fans, and speaking tubes.