Richmond enquirer. [volume] (Richmond, Va.) 1815-1867, 1833-07-16
re .don a, angie quit. n.sh 4" when extended in

IRE eden al angle quite useh 90 when extended In
the act OF stepping or walking.
With these the experiments ceased, the body having
become externally cold and the irr,sbi,y sensby
h"n-r'; the power OF the battery appeared also very
much diminished, which will account Tor the weakened
action produced in the last experiments
ihaNe already Occur led much space, iha, am ad-
monished to draw these remaks to close, which shalldo
III lew words IL may bc proper to menlon the power
OF the battery employed in the above experiments aud
iha OF " oe 80 that comparison Of results may bo
Instituted, ana II will then 100 lett 60 scientific persons To
Judge of tho which has attended these expert
meats The battery belonging Mr.. E,imUnson aud use
~ ms series q! experiments, consisted Of 200 pairs OF
Woliastons plates. each inches square, arranged in
trohghs, CONNECTED 10y tin foil aons but which,
lrun more perfect mode oi in-ulaOn was estimated IA
bf ."hr" letter to me to equal Of 500 OF $50 plates
constructor IN The usual manner. DIR. Ute's battery
sisted OF 27O plates. inches square, with insulating ham
1''s ih'rr MAS 'hceior., gea, difference IN the
lace exposed TO the acid. Ia Ure's plates SUI face OF B
inches exposed the combined action OF two pomc
iu' acids, nitric aud suphurc; willis, in surface
inches only was exposed, acted upon principally by
'n"rhic acl During stage Of the experiments, when
the action oi the battery appeared decreasing small
qnanhty oil nitric acid was put in the trough which vas
just before those beautiful experiments on The arm
In the performance Ct these experiments the geu,e-
men associated with Dec Conrad snd David
sol" and NY pupil Mr.. Lea sense of justice whose
uncommon devotion the stu'y of medicine induce. me
20 declare tia greatly influenced i'm INV determine.
ION to undertake these experiments from wish afford
h'" every advantage in the study Of profession OF
which, from his present encouraging progress he promises
10 become a worthy 'nd useful member.
The medical gentlemen present at these experiments
We're, on me Town. Doctors Holiday, Baldwin, McGue
ana PcnninScn-oi the country, Doctors Lynn. Gray
AMI orckamd several students of medicine aud scientific
gentlemen.
Every assistance rendered us. during the progress
oil these experiments hy my medical brethren who were
prcsentwlSch il but another instance of th. liberal
friendly and genleuanly courtesy, which am happy to
sly, have uniformly experienced from every member OF
the profession in this place.
My thanks are al-o due to my friend the Rev j. T..
Jackson, for thu valuable assistance rendered m in the
previous arrangements for the experiments and tue
deep interest and pleasure Le took in their success.
In conclusion offer my scknow Judgments Professor
Duca'ei and Mr. Edmonon OF Baltnore-and the, are in
an especial degree due 10 Professor Cohen for the trouble
he took in this matter. Without the complete and prompt
arrangements which owing to his efforts, these expe
nens could no have been engaged in in the present
We trust ihSi- but Introduction TO the mutual inter.
change OF kind Offices, OF friendly and scientific nature
between the citizens OF the places, which will naturally
result from the close connexon about 10 he formed by the
splendid internal improve between Baltimore and
Winchester. Yours truly,
JOHN r. W. DUNBAR