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Remarks. —Hatters make wool, or felt hats
as they are called, by plaiting out a layer of wool upon a piece of cloth, at first, and dipping it into hot water, then rolling it with a little roller, re-dipping and rolling till they get the desired thickness, by the little hooks that are seen by the microscope only, which are upon the fibers of all good wool, to so take hold upon each other, as to make as heavy a body as desired. The same is done, to a certain extent, every time woolen goods is washed in hot water, by rubbing. Now any one can see to avoid thickening, "shrinking, " as it is called, in washing flannels, simply avoid hot suds, and do not rub them. (See Washing Fine Under Clothing, etc., above. ) Sudsing by an up and down motion, in first and second suds, is the safest method.
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