Catgut down to the desired diameter using a centerless grinder. After drying and polishing, workers bleach and disinfect the strings using sulfur dioxide, dye them if necessary, and sort them into sizes. Catgut sutures are normally treated with a chromium salt solution to resist body enzymes, to slow the absorption process, and are called catgut chromic sutures—whereas untreated catgut sutures are called catgut plain sutures. Catgut Catgut is a type of cord that is prepared from the natural fibre found in the walls of animal intestines. Catgut makers usually use sheep or goat intestines, but occasionally use the intestines of cattle,
Philomel (musical instrument) under the fingerboard rests against the table. Philomel also is another name for the nightingale, which perhaps is where the instrument gets its name. Philomel (musical instrument) Philomel (; or "Stahlgeige" ) is the name of a musical instrument similar to the violin, but having four steel, wire strings. It has been invented around Monaco di Baviera in the middle of the nineteenth century and has got some similarities with the Bowedmelodion also known as Streichmelodion The philomel has a body with incurvations similar to those of the guitar; therefore, without corner blocks, the outline of the upper lobe forms