PRODUCTS FROM THE SEA
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The manufaCture of leather from shark—skin is now a
"
commercial proposition.
Formerly the difculty of removing the hard scales embedded in the skin made the
production of this leather uneconomical, but several
processes
for
doing so satisfactory have now been
discovered and patented.
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PRODUCTS FROM WHALES
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—
Among the chief products
the oils which
are obtained by rening down the blubber.
These cils are_
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used in the manufacture of soaps and candles.
The best Oil
is derived from the Sperm whale; in this case the body 'and
head of the whale are treated separate‘ly, the head oil
being more valuable. - The crude oil. is allowed to freeze
for ten to
days and then it is subj ected to pressure
three times at“ different temperatures when three gr‘ades
of oil are separated- out.
This sperm loil is very valuable
for lubricating purposes. ”‘Afte—r' this treatment thef mass
'
that remains is spermaceti, and this is rened by chemical
.—
treatment;
The pure Spermaceti isa wax with a white
crystalline texturè,_ and is used in the Âmanufacture of
cosmetics and face creatns';
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.
'
,
But by far the most valuable
material obtained from the
Sperm whale is ambergris.“z This is a‘ concieti0n from the
intestine of’the Whale,» but»_-is more often found 0ating‘in
the sea or cast up On theshore.
It is used in the making
up of ne
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L
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v
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In additiontothe'aboüe'th‘ere are" the whalebone from
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whalebone whàles,= the meat for human “consumption, and
the scrap remains which are 'üSed as fertiligers.
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PEARLS
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The most
of the products Of the Sea are péarls.
Though the modern recognition of pearls probably originated
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