Alexandria gazette. [volume] (Alexandria, D.C.) 1834-1974, 1869-08-25

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WoxprRFrI PHYSICAL EXPERIMENTS -
D.,-,r,, one ol The sessions OF the American
Sc,,ncc Association at Bosom last week, the
l,,loUin, cmjcu, ply steal phenomena were eX-
bibitcd and experiments made:
II, Gr,ux. a native of Hamburg. aud at
,rs,rnt a practising physician IN BrookY0'
New York, was born without tn Sternum 0F
brra,ttone. Dr. y. Baxter Ophan, o; Boston,
having been intimately acquainted ior many
wear, with DR.. GrOux, has devised humoer
in,eni0us experiments by which IN his case
ita action O: the heart is made to manifest
,rSelt both TO the eyes aud ears OF persons
s;,na,cd at q considerable dlStaucc. 1t should
bs horne in mind that the action Of the heart
IN DR. Groux is perfectly normal and healthy,
while the absence OF the sterHum renders it
n,s,jhe to make certain studies OF the utmost
'wportance, which are impossible IN the case
,t The human being a. ordinarily constructed
- C;rouy's case has been treated Ot at length
.,rious medical journals 10 Europe, but
- toElre has i been brought IN such
i,.,I;,r manner before 50 large an audience OF
.,rntifc men. The mechanism OF the heart
,,s,r,nwbat analogous TO that OF double ac'
to, nump In both cases the machinery,
toyeyer perfectly it may work, makes some
noise pr. GrOux was aole 10 sho" tnree JUS
,.,c, motions and sounds occurring successive.
~, and with a certain rhythm, in every beat OF
H., bnart DR.. Groux also exercised the po"
r rorcIv bestowed and never used %lthou'
.,rcat danger. of stopping at VIII, aurinS
tar, rcriod. the action ot his heart. 1his
% Jone this evening To the satsiactioh VI
",oral mNiical men, one OF whom wa
So, n,ith the stethescOpe at the chest, and
nS' hers feeling at the wrists Tor tue puiSO
Nv" Int twenty seconds the action OF tGo
..J nroau IN the trail chest OF Dr: Uroox
'''rleteIy ceased Some years ago there eX-
,.5p6 mn individual who was wont to experiment
,yith himself In this manner, ana VINO hna,S
,er;shcd through being unable to resume tne ,
pioar,. conditions of human existence. Dr.
TNbon, 80 far from encouraging hIs lrienu'
ar Groux in the repetition OF tins perlIouS
,,,,,or;mrnt has earnestly entreated hlm never
49, m,lo the venture again. Somee years al
~, Croux. having made up his mind to Tel
,o voriouscitieS of Europe and America, Irow
W,c,s Cboate. the renowned lawyer ~ go, u,o,
Do win making over his body, pt,i',oc.;on
i his death, to the surgeons TO- N1onnmont
Portions of this will, which Is Nnp vein wer.
..omposcd in Mr. Choate 5 h,,PponI;cncr me
rad to the great delight - tl IL Lanjwri ,ng OF
original draft, in the ram dIso aO'e evbihit. The
VIZ. Cnon'o na,nniSxyanatons speSSot cIo,rnnss
'xpetl'mgn,r woe given with La oraJro
TO i'f "au"H ,I'an who is e esu,a'D saata
"y '"I Ii is sclea,S " nn'.,'rs
- srieIc that thiS, onaliiiei to observe the
,,. who is SO Sc, ,ss ,rL;cb II affords nm on
o'''u; II studying.
tortup' 'pham contributed valuable paper on
.,e action of ,hc heart, describing It's anatomi-
,,l poSition. appearance and action Our
LnoYledcc of its position had been improved
Ivstulics of the ,asc of DR.. Groux. In death
no relaxed muscles Of the corpse caused the
Lcart 10 fail somewhat from the place 1t natur-
.,llv holds in lite. The sounds OF pulSatl0n
,rr,. ,llIy described, as we'll as the intervals
between the successive portions OF the pulSa'
t,on IN the auricle, ventricle, aud sorta. These
intervals have been measured IN thousan1ths
oi a second by the chronoGraph, valuable III,
ycn,ion OF the late Professor Bond, OF Harvard
University.
Atthc conclusion OF his lecture Dr. Cpham
gave some remarkable experiments, a;ans ne Geas;
,uc> of the hearts OF several ot tue PuS
''n1 n,,irnts of the City Hospital IN boStoh
,r'-l a,,,omot;caly transmitted by telcs''Ppn
- - hHSn;taI 20 ,ho hall IN Saieu' Ds
"on, .',y "r ,bc magnesium light these puSa'ions
,@" Sc.a made TO manifest themselves to the S,snII I
by N" VIBRATION OF beam othght on tne wan l@
~ ~ tbe he jaTkened room. A regular pulse OH Oh oV
ne pcr minute was first sent. Then was .orln,, uaoS
,";,te5 m % the healthy pulse of an excited person
regular but having a rapidity OF 30 per m,nT'e ot
Rnt the most interesting cases were those OF
ua,ieut suffering from pneumonia, whose pu,
sauors numbered llS per minute, and 'na' ~
onother afflicted with organic disease OF, IN
hort. The irrcgularity Of the beats IN I'M
latter case was vivldly impressed on the ! mib'
Sy ,he sounds Of the instrument. Prof: Farm
80 the well known electrician, assisted BY
st;tnI operator from Boston, had charge
10 electrical arrangements IN Salem. III
Knight was in charge at the hospital IN Boston
The franklin telegraph, too, gave the IT.
ns" -" ot their lines for the experiments, yo
,rors ", y, successful to degree even surpasrely |
an,icipatious anti Of DR., Upham. 1t nsSnam
rs aadcd that these experiments GrouY
new, and have their origin iqt parts oil |
indies ,or making the motto
hr,r, percep,ibls TO those
lec,ure room. .,nct