Fort Worth gazette. [volume] (Fort Worth, Tex.) 1891-1898, 1891-09-06

"A body. theu. must be colder than H.,
/ contiguous atmosphere before the dow
he deposited upon IL [Pendletonl Er...
mGch older that body must he Gsrs- A
( largely upon atmospheric conditions. p,,
/ can be condensed only in case where th..s.. .
/ mosphere IS entirely saturated with g.,-.-
( urH- Ii I fully saturated atmosph,l,. ,....
| over 4 surface but one degree lower
! temperature than that maintained ar -...
atmosphere, there must with o.Ler-l.-.-.
/ favorable, be deposit Of dew. u r--.
no. be regular spider web loader o~
drab.er. but it VII be dew all -.r
even though in quantities So iuca-.r .- -.
require instrumental test for detection r.
such case the dew point would STAN --
! temperature one degree below the +,..,..
ture Of the atmosphere If The earl. ...
perature was still lower the dow s......
from saturated atmosphere of ... ..-
perature Just considered would p, i..-
Of course.
In case where the atmosphere is ua-
saturated with moisture, II luti~- .......
tracted into saturaJiJu d, cou.a,, y.......
colder surf &c ere dew can by ,---.a-.-...
We will suppose that the night a-
Temperature Of 65 degrees. ant f.. -
that temperature reduction o. Boo .......
would be necessary 10 reduce u ,r-.....
saturarion; tile Temperature, of t-..........
surface would then have to stan. 81 -...
poin, below 10 degrees ere :,,.s G,... ......
be deposited. And even then lie ...
deposit might he extremely G-A- .- ...
reduction Of air to sItUIuJjol rli-j., ..- ...-
tend half dozen inches above the ~..s..e
Thus, You SEQ. that while - IRE j., 1920 FL.
scale of our thermometers q '.5-e.---.
point" boiling point" and So uu. -....
can be no regular dew point. owl--.- -.-
slant variation Of concit,ors. Tie ,.
way to get NJ the dow point, So cal. ....
region as 10 high or low would be ..4.-
age throUgha given time the earth -.-...--
allure bringing dew. If the avcra,, 81. ......
higher degree for North Texas ra-- .,
the coast country then it might be sa.. t..-
North Texas was, of the Two re-...-.
region Of high dow point, or, ruort r..-
perry, region OF higher dew poiu- 81, .-.-
pared TO The coast region.
Without the knowledge of any r.s...ra
tests we have reasoned that Of the -9ar,-
gions named, North Texas must be -a,,-,
of higher dew point, On account u .,.....
atmosphere at the coast necesst-a..a-
lower range Of earth temperature ta bring
dew. OF course should we reckon r..r....
from the airtemperature the fowes- DEGREES
of variation might be found at the coast. 7s
IN average. owing 20 Il more humid a.rgs-
phere there, but this would tell uo-l.as.s
to what regularly belonged to the rog.ous1
far as related to the average earth teinqera-
tVre necessary TO give dew. The a,nla~-
phere Just in from the sea would. ..a.
probability, be- nearer state of sa-ur,t.:
than would the same atmosphere a.-r.,
had rolled inland to, say. Fort Worth he.
fore reaching Fort Worth it wo-.a Ha-s
lost more or less Of its humidity. and On
this account would be further from ta.
earth dcw-point, measured in degrees on
the thermometers scale, than when il fir.
struck the lard. But il would ALSO Big
warmer. for il must be remcmbercI FIN.
water can be made warm as wei. IS .jr-l.
can be raised to the boiling poiut. N.u.