Isinglass advantageous in situations where minimal use of water is desired for the parchment as the isinglass can be reactivated with an ethanol-water mixture. It also has a greater adhesive strength than many other adhesives used for parchment repair. Isinglass Isinglass () is a substance obtained from the dried swim bladders of fish. It is a form of collagen used mainly for the clarification or fining of some beer and wine. It can also be cooked into a paste for specialised gluing purposes. Its origin is from the obsolete Dutch "huizenblaas" – "huizen" is a kind of sturgeon, and "blaas" is
Dried and salted cod Dried and salted cod Dried and salted cod has been produced for over 500 years in Newfoundland, Iceland, and the Faroe Islands, and most particularly in Norway where it is called klippfisk, literally "cliff-fish". Traditionally it was dried outdoors by the wind and sun, often on cliffs and other bare rock-faces. Today "klippfisk" is usually dried indoors with the aid of electric heaters. The production of salt cod dates back at least 500 years, to the time of the European discoveries of the Grand Banks off Newfoundland. When explorer Jacques Cartier discovered the mouth of the St. Lawrence River in