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Preservation Collectanea 9 Decr 1799
Dates of the Papers
Terms from whence
Extracts have
been made-
Times Augst 19 1800
Do Augst 22nd 1800
Do Augst 23d 1800
Do Septr 4th 1800
Weld's America Octavo
Vol 1 p.395 -
Repeated ib, [] 227
In order to avoid the
expence of feeding many
[Cattle] thro' the Winter,
as soon as the frost sets
in they generally Kill
cattle and Poultry sufficient
to last them till the return
of Spring. The carcasses are
buried in the Ground &
covered with a heap of
Snow, & as they are wanted
they are dug up, Vegetables
are laid up in the same
manner and they continue
very good throughout the
Winter.-
Longs Travels in
America 1791 p.85-
The weather being
more moderate I sent
my men to the Lakes
to look after the Nets
which had been under
the Ice a considerable
time the severity of the
Season not having allowed
us to examine them for
near a Month when to
our great mortification
they were found almost
rotten and not a single fish
1.
Nicholson's Dicty Putrefaction.-
Every animal substance
exposed to the air at a
temperature above ten
degrees of Reamur
(Fahr 54 1/2) and
moistened with its own
serous humour putrefies
Word for wood from
Chaptal III 400.
2.
Chaptal III 395.
Moisture is an indispensible
requisite to facilitate
putrifaction and any substance
may be defended
from this change by dry
compleatly drying it. This
was performed by Cazalet
and Villers of Bordeaux
by means of Stoves the Meat
thus prepared was preserved
for several years without
having contracted any
bad flavor.
The Mummy of this
sort from Teneriffe in
Trinity Colledge
Cambridge
The sands and light
pervious earth preserve the
bodies of men only by virtue
of the prosperity of exhausting
the juices and drying the
solids. From this cause
it is that intire caravans
have been discovered in
Arabia consisting of men
and Camels perfectly
preserved in the Sands
under which the impetuous
winds have buried them. ibid.
Mummies of this
sort from
Teneriffe are kept in Trinity
Colledge Library Cambridge.
3
Chaptal III 274
The Contact of Air is the
2d necessary cause in the
putrifaction of Vegetables.
It is reported in the Ephirnnirides
of the curious
in Natural Phenomena
for 1787 (1687) that ripe
Cherries were preserved for
40 years by inclosing them
in a Vessel well luted and
placed at the bottom of a
well. 275. A certain
degree of heat is likewise
necessary the heat between
9 & 10 degrees (43 1/4 & 54 1/2
Fahrt) is sufficient to cause
decomposition. A greater
heat dissipates the humidity
dries the vegetable and
preserves it from putrifaction
Too little heat retards or
suspends it.
4
The temperature of Water
being much steadier much
less liable to sudden variation
than that of air.
See Kirwan 30.30.
Lake of Geneva. Observations
by Saussure
Air - - -81
Water at the surface 62
Water at 87 foot depth 55
By Raymond at Marseilles
19 July 1765.
Sea next to land 74
Middle of Bay 72
Entrance - - 70
Kirw - - 34
Temperature of Water
steadier than that of
Air earth Kir. 30.35
Temperature of Earth
steadier than that
of air ibid 30.
Cavern near Reithing
in Suabia
External Air - 66
Air of the Cavern 48
Water in the Cavern 42
Kirw. 33.
In the Paris observatory
at 90 feet below the
pavement the temperature
is at - - - 53o.5
Varies in the coldest}
years no more than} .5
a degree - -}
Kirw. 32.
Marsailles in Winter
Sea never lower than 44
Earth as low as - 14
Kirw 35.-
5
Encycl. Brit. Art
Gadus. -
Fisherman are well
acquainted with the
use of the Air bladder
or sound of Cod and are
very dexterous in perforating
this part of a
live fish with a needle
in order to disengage
the inclosed Air for
without this operation
it could not be kept
under water in the Well
Boat and brought fresh
to Market.
The glutinous parts
about the head loose
their delicate flavour
after it has been 24
hours out of the water
even in winter in which
these and other fish of
this genus are in highest
Season.
Immersion in Water
appears to be a preservative
against mouldiness
probably because atmospheric
air is necessary
to that species of
vegetation-
Extract from Encyclop
Britannica Article
Flowering of Bulbous
plants -
Sometimes the roots
will become mouldy
in several parts while
they stand above the
Water and the cleaning
of them is to no purpose
for it will eat and
spread the further and
frequently eat through
two or three of their
coats. In this case
they must immediately
be covered with water
when the mould will
be stopped and the
roots become sound and
flower as well as those which
never had any such
distemper. If the
roots are suffered to
remain in the water all
the year they will not
decay but will flower
again at their proper
season and that as
vigorously as those
which have taken
out and dried. -
Per S.B. Currants
are kept in Russia
in water the water
serves at any rate
to exclude the air and
the temperature it
must be supposed is
low enough to be a bar
to fermentation.
The Water serves
as a bar to great and
sudden change of
temperature.-
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