Bacon, Francis, Sylva sylvarum : or, a natural history in ten centuries

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11076Natural Hiſtory;
The ſeventh is, Separation of the cruder parts, and thereby making the
11347. Body more equal;
for all unperfect mixture is apt to putrifie, and Watry
ſubſtances are more apt to putrifie, than oily.
So, we ſee diſtilled Waters
will laſt longer than raw Waters, and things that have paſſed the Fire,
do laſt longer than thoſe that have not paſſed the Fire;
as dried Pears,
&
c.
The eighth is, The drawing forth continually of that part, where the Putre-
22348. faction beginneth:
Which is (commonly) the looſe and watry moiſture; not onely
for the reaſon before given, that it provoketh the radical moiſture to come
forth with it;
but becauſe being detained in the Body, the Putrefaction
taking hold of it, infecteth the reſt:
As we ſee in the Embalming of Dead
Bodies.
And the ſame reaſon is, of preſerving Herbs, or Fruits, or Flowers,
in Bran or Meal.
The ninth is, The commixture of any thing that is more oyly or ſweet: For ſuch
33349. Bodies are leaſt apt to putrifie, the Air working little upon them, and they
not putrifying preſerve the reſt.
And therefore we ſee Syrrups and Oynt-
ments will laſt longer than Juyces.
The tenth is, The commixture of ſome what that is dry; for Putrefaction
44350. beginneth firſt from the Spirits, and then from the moiſture;
and that
that is dry, is unapt to putrifie.
And therefore ſmoak preſerveth fleſh;
as we ſee in Bacon, and Neats-Tongues, and Martlemas-Beef, & c.
The opinion of ſome of the Ancients, That blown Airs do preſerve
55351. Bodies longer than other Airs, ſeemeth to me probable;
for that the
blown Airs, being over-charged and compreſſed, will hardly receive the
exhaling of any thing, but rather repulſe it.
It was tryed in a blown
Bladder, whereinto fleſh was put, and likewiſe a Flower, and it ſorted not:
For dry Bladders will not blow, and new Bladders rather further Putrefacti-
on.
The way were therefore, to blow ſtrongly with a pair of Bellows, into
a Hogſhead, putting into the Hogſhead (before) that which you would
have preſerved;
and in the inſtant that you withdraw the Bellows, ſtop the
hole cloſe.
THe Experiment of Wood that ſhineth in the dark, we have diligently
66352. driven and purſued:
The rather, for that of all things that give light
77Experiment
Solitary,
touching
Wood Shining
in the Dark.
here below, it is the moſt durable, and hath leaſt apparent motion.
Fire
and Flame are in continual expence;
Sugar ſhining onely while it is in ſcra-
ping;
and Salt-water while it is in daſhing; Gloworms have their ſhining
while they live, or a little after;
onely Scales of Fiſhes (putrified) ſeem to
be of the ſame nature with ſhining Wood.
And it is true, that all Putre-
faction hath with it an in ward motion, as well as Fire or Light.
The tryal
ſorted thus.
1. The ſhining is in ſome pieces more bright, in ſome more dim;
but the moſt bright of all doth not attain to the light of a Gloworm.
2.
The Woods that have been tryed to ſhine, are chiefly Sallow and Wil-
low;
alſo, the Aſh and Haſle, it may be, it holdeth in others. 3. Both
Roots, and Bodies do ſhine but the Roots better.
4. The colour of the
ſhining part, by day-light, is in ſome pieces white, in ſome pieces inclining
to red;
which in the Country they call the White and Red Carret. 5. The
part that ſhineth, is (for the moſt part) ſome what ſoft, and moiſt to feel
to;
but ſome was found to be firm and hard; ſo as it might be figured into
a Croſs, or into Beads, &
c. But you muſt not look to have an Image, or
the like, in any thing that is Lightſom;
for even a Face in Iron red

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