Dyschezia and Hematochezia in Cats. Dyschezia is a condition in which defecation is extremely difficult or painful, and hematochezia is symptomized by bright red blood in the stool. Both conditions are visible symptoms of an underlying disease that causes inflammation or irritation of the rectum or anus. Hematochezia can also be concurrent with diseases of the colon.
Introduction to Upright Pianos. The first square shaped piano was invented by Frederici of Gera, followed shortly by Johannes Zumpe. In the nineteenth century, John Isaac Hawkins of Philadelphia developed the upright piano and the iron frame. This frame could hold the tension of thicker strings, giving the piano a bigger, richer sound. Upright pianos come in many sizes. The Spinet Piano was first produced around 1935.
THE DIRECTORY OF THE DEVELOPMENT OF THE AMERICAN PIANO. CHRONOLOGICAL SUMMARY 1775 - 2007. In about 1709, Bartolommeo Cristofori produced his Clavicembalo col piano e forte, the first step in the evolution of the piano as we know it. Half a century later, the London firm of Broadwood was the world's largest manufacturer of pianos.