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The Art of Perfumery - And Methods of Obtaining the Odors of Plants by George William Septimus Piesse
page 87 of 292 (29%)
is fit to draw off, and being strained through cotton wool, is ready
either for sale or use in the manufacture of bouquets.

This essence of tuberose, like that of jasmine, is exceedingly volatile,
and if sold in its pure state quickly "flies off" the handkerchief; it
is therefore necessary to add some fixing ingredient, and for this
purpose it is best to use one ounce of extract of orris, or half an
ounce of extract of vanilla, to every pint of tuberose.

VANILLA.--The pod or bean of the _Vanilla planifolia_ yields a
perfume of rare excellence. When good, and if kept for some time, it
becomes covered with an efflorescence of needle crystals possessing
properties similar to benzoic acid, but differing from it in
composition. Few objects are more beautiful to look upon than this, when
viewed by a microscope with the aid of polarized light.

[Illustration: Vanilla.]

EXTRACT OF VANILLA.

Vanilla pods, 1/2 lb.
Rectified spirit, 1 gallon.

Slit the pods from end to end, so as to lay open the interior, then cut
them up in lengths of about a quarter of an inch, macerate with
occasional agitation for about a month; the tincture thus formed will
only require straining through cotton to be ready for any use that is
required. In this state it is rarely sold for a perfume, but is consumed
in the manufacture of compound odors, bouquets, or nosegays, as they
are called.
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