Garrett, A. E · London : Hodder and Stoughton · leaf 189
e as follows : Balancea beaker on the left-hand pan of a pair of scales,using a beaker of same size as counterpoise. Inthe beaker on the left-hand pan place pieces ofcaustic soda until it just balances a 10-gramweight placed on the other pan; add distilledwater to the caustic soda until the total… … Diagram VI. A, a glass beaker. B, a piece of copper wire gaus^e.C, an iron tripod. D, a spirit lamp. woollen fabric in a beaker and pour in solution(6) until the material is covered. Place thebeaker on the wire gauze on tripod stand andboil gently. Carefully note the time taken forall the wool to…
Textile fibers · Textile fabrics
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