, 1874-01-14
SCIENTIFIC.
Annual Meeting Of the Acad-
emy Of Science.
Statement Of the Finances--Eleo.
ton Of Officers.
Paper on Artesian Wells, by
Judge Caton..
Mr. Colbert on the Pendulum Expert
ment.--Prof. Delafontaine.

k.r. Colbert on the Pendulum Expert
ment---Prof. Deiafontaine.
The annual meeting OF the Academy OF
Sciences was held last eroping in the Academy
Building, on Wabash ayauuc. Ihe s1ce-Prcsl-
dent being absent, the meeting was called to or
der by tbs Secretary. AID MI. H. II. Babeock Was
chosen temporary Ch4irman.
roSATloNs-
n7 I " V;ele read the list Of donations re-
reived since the l.st annual meeting, mention Of
which las beer made III tue newspapers 1'oan
tin;o to time during the year.
TEE 1nEAsuRERs REPORT.
rho rencr: of the Treasurer, afr. George G.
walker. was read and ordered placed On fle-
T. s,owed that there had been received $685.
117.3s; expended, $33,l17.33. Tie liabilities
we're:
1,a ~ insurance ,,.---...-.. 130
~. for in1er,si on mortgage $500
I 1e ~ ~ -. r.n1 Wabash ayeuue :. 6uO
Borrowed from Trustees. .-.'''....*..--.' o'1oo
The assets arc:
f,th in Tr1asurers bands. G.4.98
6upBcrlpt,on due next four yesrs---. suoo W
Subscription notes past DUE. =,
Unpaid SUBSCRIPTIONS A'''oo
Tie report closed as follows: 1.-The Com
rr;.tee appointed to solicit subscriptions was
very successful in It's efforts, aud tue earnest
workers deserve the thanks OF tho Academy Tor
their zeal. The funds came at q very oppor-
tune time, and euabled the Trustees to provide
the cases, furniture, ETC., now III the buuu1cg.
Mo1e cases are needed ut once, aud other pro-
yieion snpul1 be msde for the care and ex-
Linition of the specimens nov GU hand
sna Sosa ,t being TIC members 1hs Of the
Academy will continue their good work in rais-
ing money, and thus help to build up the Society
nlu1e than they can in any other way, Tor With
out Dlorex Very little can be accomplished
Ili1ty-eicat members of tue Academy have neg
past year. OF this number, twenty-three a1e
also delinquent for the previous year..
HEAVY CONTRIBUTORS
1rr. Walker also reported that the following
gentlemen lad subscribed $500 each during tue
wear for Il life membership, and had paid the
nret il,stallmeut Of s10J thereon: Henry +,
Eanes, e. T. Bowen, H. s. PECK, T.. G. Mason.
a. C. Hesinz, s. J. Walker, Potter Palmer, =
Loueuthal, ]. 4. Ellis, Edson Keith. William d.
kcrfoo;, B. T. Allen, L. n. Htbbard, " i.
Kendall c. H. Mccormick.
The following gentlemen, having paid up
their subscriptions, were reported As entitled TO
life memberships: John Alddle.on, - j. Nc
Bean. L. E. Aloss.
ELECTION OF OFFICERS.
The election Of officers WAS then proceeded
With aud resulted as follows:
f'ftssdent-Dr. H. A. Johnson,
fifst Ftce-F5esadrnt-E- ". Blatchfoe
81 1ni Tace-FTe8Gent--H. H. E4btock.
1:eeo1ding Sec. et4rvDr: Norman Bridge
I.7taariu1-Dr. ]. II. Viee- -. ....
Ce,,xraI loal1.iees-Nesaea. Walker, Ebert. Bross,
Durham Caesbrough, and Holli6ter.
lunlrufee ol -HeWb<TsA0-Dr- f. Anute"ss Il. n.
B1atelfotd. and II. II. Blbcoc6-
R7Es1AS WELLS.
judge Caton, of Ottawa, reai paper on :" Ar
tnf xyi, tina following fill
summary
So far AZ an adyised the subject Of the regularity
and CONTINUITY OF tie dow Of atteaiao wells has scarcey
rcctiyd tne attention which itA importance deserves.
Tho peooest hxa been interested and instructed by
study OF pierced by them The chemist las
aaayzed their w1ters and has been interested to OBJ
serve the cnangea which take lnce different strata
are passed hr rough, and found in different though
contiguous oc1tlo1s but at lust the great practical
question, is Eater,-qu1ntity,-,ts constant and pef-
sured Investments cannot zafe'y be 1nada depea ding
upon it. ....- -, =,
the valley Of the InnoA River st tie foot OF the blnf
On which 1ay re4deuce stands first through II feet
Ct ear then about 140 feet Of st. Peters sandstone
then feet OF sta then 10 feet Of lime rock and then
auout is feet Of rolEda1n sandsone-in al 573 feet
During the passage through the lime rock the watsr
quantity observed to ucreaae, and when finished,
By a rude and unsatisfactory node of measuring,
the ow waa found to be g. saen&s & Per minute n;as.
tie aow IS gallons per uainuie Thb we'll Is tuhed
for 153 feet with finch iron IuFe After various IN.
sst1hfactory experiments with small hydraulic rams,
finally turned the water into tank feet in diameter
and kolding COZ gallons from this, through finch
discharge drive pipe, the water is conducted to
hydrzunc Of the largest size located 10 feet beo"
the upper end Of tie drive pipe and oyer So feet lis
tant The OF the drive pipe is II inches above
the loor Of the tank observed that sometimes
the xGer would only rise to the centre OF the drive
pipe and at other tnes it would be feet o.
inure above it. At first I attributed this ia
tie ram, suprosing hat it discharged the more freely
ct one time than at others but upon observing That 1t
nrays beat more rapidly with the high head than with
the ,aw became satisfied that there was zctuay m
,rreeuiatty Ia flow OF the welt-that it discharged
more uatsr ut some times than at others-
Ii order to mako commencement in the inyestiga-
tion suggested by tka phenomenon already Observed
directed my gardener to measure the height Of the
water in Tho tank threB times day, 1ote the me7sure-
1aen.s and report to at the end Of the month
Here is the result ct hs observations made in the
month OF October. The measurements were OF the
deuth Of the water In inches