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
The Tale of the Fisherman and the Fish Wife". In Pushkin's poem, an old man and woman have been living poorly for many years. They have a small hut, and every day the man goes out to fish. One day, he throws in his net and pulls out seaweed two times in succession, but on the third time he pulls out a golden fish. The fish pleads for its life, promising any wish in return. However, the old man is scared by the fact that a fish can speak; he says he does not want anything, and lets the fish go. When he returns and tells his wife