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Description by Temperature Collectanea from 1796 to
Wilds America Octavo
Vo.1.p.395
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
carcases are burried
in the ground and
covered with a heap
of Snow, and 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 Dictionary
Art. Putrefaction.
Every animal
substance exposed to
the air as a temperature
above ten
degrees above ten
---page break---
degrees of Reamur
(Fah 54 1/2) and moistened
with its own
serous humour putrefies.
Word for word
from Chaptal III.400.
2 Chaptal III.395.
Moisture is an indispensable
requisite to
facilitate putrefaction
and any substance
may be defended from
this change by compleatly
drying it. This
was performed by
Cazalet and Villers of
Bordeaux by means
of Stoves the Meat
---page break---
thus prepared was
preserved several years
without having contracted
any bad flavour.
The sands and light
pervious Earths preserve
the bodies of men only
by virtue of the property
of exhausting the Juices
and drying the Solids.
From this cause it is
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 College Library
Cambridge,
3 Chaptal III. 274.
The contact of Air is
the second necessary
cause in the putrefaction
of Vegetables. It
is reported in Ephimirides
of the curious
in natural phnenomena
---page break---
for `787 (1687) that ripe Cherries were preserved for forty 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 5 & 10 degree (43 3/4 and 54 1/2 Fah.) is sufficient to cause decomposition. A greater heat dissipates the humidity dries the Vegetable and preserves it from putrefaction. 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 Kovian 30.38. Lake Geneva observation by Sauf??? Air 82 Water at the surface 62 Do at 87 foot depth 55 By Raymond at Marseilles 19 July 1765 Sea next the Land - 74 Middle of the Bay. 72 Entrance - - 70 Kerivan 34 Temperature of water steadier than that of Earth Air 30 35. Temperature of Earth steadier than that of Air ibid 30.- Cavern near Reuthing in Arabia External air 66 Air of Cavern 48 Water in the Cavern 42 Kirwan 33
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preservation by temperature collectanea from 1796 to 1800 no 1 |
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