No individual enters the world with a large enough stock of instincts to start him doing all the things necessary for his welfare. Instinct prompts him to eat when he is hungry, but does not tell him to use a knife and fork and spoon; it pro... Read more of The Instinct Of Imitation at Mind Reading.caInformational Site Network Informational
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     Home - Vegetable Dyes - The Dyeing Of Woollen Fabrics - Textiles For Commercial, Industrial, And Domestic

Catechu Brown






The wool is boiled for 1 to 1-1/2 hours, with 10 to 20 per cent
catechu, then sadden with 2 to 4 per cent of copper sulphate, ferrous
sulphate, or chrome, at 100 deg.C., in a separate bath for 1/2 hour.





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