COPYRIGHT PHOTOGRAPH - NOT TO BE REPRODUCED PHOTOGRAPHICALLY WITHOUT PERMISSION OF THE PUBLIC RECORD OFFICE, LONDON
Reference: - TILLICO/133
[186]
pressure of the superincumbent strata of air in this position, all obnoxious exudations ascend from the sphere of respiration. That the atmosphere on the hill is drier than that in the valleys and hence opposed to the operation of endemic causes of disease, has been, I think, clearly shown. The existence of clouds on the hill may occasionally be thought to be evidence against this fact. Frequently the clouds which obscure the peak are below it; and an observer standing on the top of the hill may look down from a serene atmosphere upon a lake of cloud filling up the valley beneath. Some part of the excess of heat in the valleys over that found on the hill must be ascribed to radiation; it is nevertheless evident that in ascending the hill 10 degrees of heat escaped. It has been shown that a perpendicular ascent of 242 feet above the level of the sea diminishes the temperature in the proportion of 1° of latitude, that is by 1° of heat: by this rule the elevation of the Victoria hill is, in respect of temperature, equal to about 7° of latitude, 242 being to 1774 as 1 is to 7; which makes a residence on the hill as great a change to the invalid as visiting Ningpo. Need further argument be adduced on this point? The proposition is in every respect practicable; its accomplishment will obviate the risks, the absence from duties, and the great expense, and the anxieties which are at present entailed on those who are now compelled to resort to Macao and other places to recruit their health: The Government and the inhabitants should mutually assist in this desirable object by all means.
[187]
COPYRIGHT PHOTOGRAPH-NOT TO BE REPRODUCED PHOTOGRAPHIC- ALLY WITHOUT PERMISSION OF THE PUBLIC RECORD OFFICE, LONDON
L
PUBLIC RECORD OFFICE
Reference :-
TILLICO/133
[186]
pressure of the superincumbent strata of air in this position, all obnoxious exudations
ascend
· from the sphere of respiration. That_
the atmosphere
07
the hill is drier than
that in the valleys and hence
to the
INDIC
opposed
operation of endemic causes of disease,
has been I think clearly shown. The
existence of clouds
may
ocensionally
the hill
be thought to be evidence against this fact. Frequently the clouds which obscure the freak
a. rc.
below it; and- an
observer
-standing on the top of the hill may look
-
a
lake
down from a serene - atmosphere upon of cloud filling up the valley beneath.
Some part of the excess of heat in
the valleys
over
that found on the hill must- be ascribed to radiation; it is nevertheless evident that in ascending the hill 10
degrees of heat
escaped.. It has been shown
aro
that a perpendicular ascent of 242
feet
1
[187].
above the level of the sea diminishes the
96
temperature in the proportion of 1° of latitude, that is by 1° of heat : by this rule the elevation of the Victoria hill is, in respect of temperature, equal to about of" of latitude,
242
being to 1774
makes a residence on
to the invalid as
as 1 is to of; which indeed the hill as
· great a change
visiting Ningpo. Need.
this point?
further argument be adduced on The proposition, it på every respect practicable ; -its accomplishment, will obviate the risks, the friends, impracticable absence from duties and. the great expense, and the anxieties which are at present entailed on those who compulled to resort to Macao and other places to recruit their health: The Government and the inhabitants should, mutually assist in this desirable objects by all
are now
Means
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