"Dr. Jaeger's sanitary woollen clothing," about which I have so often
written in praise, has raised up some rival manufactures amongst our
English makers, who have long been famous for their merino or lambswool
stuffs. Pure woollen under-garments in England have always been thought
to wear and to wash badly, and much of this has probably been owing to
the fact that the washing was very bad and that no one before Dr. Jaeger
ever tried washing woollens scientifically, so as to take out the grease
and perspiration, and not to harden the material at the same time. By
Jaeger's method this is done with lump ammonia and soap. The soap is cut
into small pieces and boiled into a lather with water, and the lump
ammonia is then added. This lather is used at about 100 deg. Fahrenheit, and
the clothes must not be rubbed, but allowed to soak for about an hour in
the water, and must then be drawn backwards and forwards repeatedly in
the bath till clean. Three waters are to be used, the two after the
first lather being of the same heat, and of pure clean water. This
leaves the clothes delightfully soft and supple, and their wearing
qualities suggest nothing further as an improvement.
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