New-York tribune., 1876-04-21

,eroture also nearly comedies with the of the
o. high baromeltr 1t seems Impossible Iha' suon
Another series of comparisons shows that in large
maority-say two-thirds-of instances, theIe Is low
barometer given point, high barometer Is Onn at =
locality the southeast, AZ distance Oh about
miles, this continent Observations III Europe give
the sane result coincidence ana ulrecuOI ouI tno
distance there is about 700 miles In bOth continents
hgh barometeri always associated with low tenpe
ture. Thus, when there is area OF low DaIoDoteE
in Alaska there is one OF hgn barometer, ae.
eompapied by cold at about the middle
barometer in Iceland there are records oI hsh oaloh
eter and cold at Paris and vienna. ~, biob
The physical connection between these areas OF hgn
aud low barometer subject for HYPOTHESIS In sen
er there is how OF air 70 tle eentrSi po,t % ta m Se
air tus concentrating must rise ana now OUT ABOVE O
roeier there is steady flow of air Outward 1t would
appear this air must be descending from ABOVE
WItHn that area, and must be continuously suppled as
the outward nOw does not send the barometer do u
Now if within an area OF low barometer the air is
gong up, and simultaneously weIlln an area Vi nSn
barometer going down, U seems at least pfobaDle d1
the air which goes up comes down III tLe otDeI'
But 1t viii not yet answer to sumo that TN may a.
count for onr cold spells il admit that the air wnch
was cooled and went up in Alaska comes down upon
taere is a law OF compensation always at wOfk.
TIE capacity Of air Tor heat Gepenas upon 1
po mi pound OF air, there IS the same amount OF
ccpt the theory, however as p~Iy t&piaha.V W,
OI cold ascend, with rarity Oh ar We nnu
increasing chill, until, II We could pe carried auNe i.o
celestial space ABOVE the limits atmosphere, We
mi ght experience temperature near 4OO' DeiOW zofo'
A HINT TO ORCHESTRA CONDUCTORS.
In beginning to read paper with the long title, ON
the sensations Produced by Concurrent and Rapidly sue
ceeding Sounds Prof A. NJ Mayer made the modest ad-
mission that it was ve.y difficult be OF new fact
He proceeded show that certain sounds would eAt,-
gusn the sensational otner sounds inc ie aPaS ~
high ones the high sounds may oDhieta.e row ,
ones. lie had been attracted TO tins cOGr'e Oi
observation 10y noticing tnet the CLICK o' posy Ia w.
clock snenced ut certain intervals II "a "'leh wa
the Those intervals Of silence lie 1seei lae
.uurfa t.aEa "a
OF The clock were simultaneous 1hoh ny NaIlouS 1 ,
elaborate devices he ss't4sheu hiiscn mo- W -
general Iact, what balancing Oi mtehscs was
~ fne mic To- husicsl sounds TINS was made pIIn 10 the
Academy 5y apparatus prUducinSa certain low uoe iIoi
wiuo inStrumcit simultaneously VITA lhc same u"
ortayrs igGer ana OF greater intensity. Tho hisn no-
Killed So n, speak the low one. the Otnoi hand,
low notS OF great intensity was poWeiicss 70
q faint n.h note hsI note utterly fci'Scu 20 10
drowned b. any yulune the lower sound ii0i aayt'
recalled several instances Ct tho ANA Wn'vn 40 i'o
LACEY noticed rs When 'des coilhIon 'A4is No.
steam whsto DiO1n Ony irc snfieSI ho,e' "i '"'i
conversation were aGdioio aCoNe lac 7e o. soi,l m
uls fct was OF great ImpUrta ce IN the con uct OF an
orchestra C,Dtufics ercGco have taught B." group
Tie Instruments afOuno te oVlauciol ~ .'o y "oi ] ~
their int nsi,leS; the liHt VOiIS hoa4 ~ ~
drums a distance. All thIt tEe cohduciVr can a." eA-
,ept 10 beit ne reg Iae tho inclsuos 90 ms or
portion Of me oroheS' ho dOcs 'i9 ccOiuue 70
tie impression on LIS ear al tGe rt'ce "hoIe
ho Sc.l,n,, StsnuS Ao tsat place Bat whaJ may
perfect necessarily inper Get elsewhere, oi
low Botos PrOi. .aayc nad thai ths dSlasIisi-
lag OF sounds Was sredesS al tue almost Ant o u.s,o
best music for an audience, tne cohinetoF
orchestra should be IN tHe middle 0t t"e
room. Psof. Mayer now proposes 10 MAKE "a
analysis OF sounds from dieTcHt nii-
sieni nsiruncnJa; ait ertO he students % acoustics
have Doen onGeavOginE TO ascertain tie Quay, ana we
know now Nnas diiuru / tones mnsloi cdcd noe Vi
certain instruments couts-tue OSurtoneo hidrt 10
fundamental note giving jno Instrument 10 pccIdf
qualify
THE FIVE THAT ARE MADE "IMMO8IALS.'
The paper ON "MaxlD,a and Minima IN Alscora" BY
the late Cen D. 2. Woodbury., winch was read 0y Gen
j. g. Barnard was as may be guessed from 5 ntie n0t
fitted Tor popular porus=l Gen BaTaids sAe ten Ol ie
ne NorA OF ,son Woodbury., whO mas eminent Ia olSI-
neeFing studies iracjical appc,oil fticNt"
what nad Otherwise Doeh purely tecnnca essay
Ihe telegraph viii gwen you the names oi tir
fortunate who C-e,ted a. TIE Ddsii!c5a III, elH
ueY are well known names 10 many IEiBt'a 'tcFs
l'rO uadenan is ds.tn SulSEed phOiOSist an tncfe
is more genuine tin IA any OtLcr sI"dout %.
creek roots tho country; but ne has also mao H
mark m the natura sciences PfUf Langley, tI5 st,o-
his discoveries tio solar edI!~oe ana
atmosphere. Dr. Peters OF CnsOn y " Is also Oi world
an sstronVnieI, iid he shares win iIo4
WAIs, tue glory many dsCOVc ~ a! ~SlsTa's AiAJOr
Warren n ns arc Two "i tc moss lhtfcid
OK x,,Orcrs untrUuden Wns ~Hd Inoh utihcs
are fixed ia history O tnc expeditions ""icH idNc
given a knowledge Oi the hVehy Mountain region
". &. ".