New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1866-11-15
BORT n1aroen's Notite.
AMERICAN IysTTTUTE-APPLED SCIENCE.


A regular meeting of the Polytechnic branch Of the
Institute was held on Thursday evening Vow The Chair
man Prof TnaD opened the proceedings with an interesting
summary Of new and inventions He first described
the use Of
THE TORPEDO IN SPENT On WEILs-A great number OF OIL
This result was Ooheyed TO be owing
the presence Of debris and other cloggng matter at tbs
bottom Of the well and in the channels leading to It, co A.
Roberts conceived the idea Of removing these distractions oy
means Of an explosion Of gases at great depths Nuo-
gycene having - times the explosive force an qna
weight gunpowde and being easily used in the presence OF
water found to be the most effective material ior nS
orpeo He has operated upon about 200 wells within the last
four months threeourhs of have been greatly improved
The actual increase oil by Of this cleansing process
estimated at 1000 barrels daily ,,...aa ,,.on.
MERAIsAmong the minerals recently dscoYered nc ono
NJ most Interest was discovered in the Cryoe vein Al Arksu
hord Greenland IL has been Analysed by PROF. ShneIu OF
,ritb 1IrmWm calcium sodium iron and sican. He has
named ymannie in honor OF the chemist who sent IL "a
DIAMOND or CHAsGEABLE CoLoR-Fremy lately exhibited
before French Academy OF sciences yehC~isI .,
retaining for two or three days It resumes tne
This peculiarly has enhanced its value three iod It's Plce
iio ,bort al 90 The Chairman thought the phenomenon
NJ changing OF great interest 70 those
This is case where heat the effect Of nOnlumnous waves
has the power generating luminous waves oil lower NOeiee
than those producing the yellow color -, -. i,
Acroy oF Id6Hr 1PoS IoDIDg SyERThe deduction OK
Carey Lea Philadelphia made after numerous experiments
s II, eSSR & as Eon t sI
this conclusion is that the effect when carried many
thousand times further than in the ordinary pro
cess perfectly disappears in few days under Circumstance
which preclude the idea of iodine having been restored 70 INC
picture Furthermore reduced silver nor suoodde nave
! such cases been detected s. =.
eying Tynta had ascrbe too great an absorbent power
the yapOr Of water which reported IN bis lecture On
ton 20 thousand times that OF the yapor OF ether mas
Inv means OF tho very delicate thermo mnaper found the heat
rsdated by certain gases and Yapors al about ~ - ana as
the radiation proportional 20 the aosorpon be states that
n.oherc air after passing through does not absorb
double the radaai intercepted by dry air. on passing air
Dt nearly as that produced by caTbonio
snhydrde and Illuminating gasthst Is me S rUss
absorbent power Of waery vapor only applies TO u when
contains some condensed water or s in state OF dense fog
Asr rs !ns TS1 nsss attention D was directed
TIE PsussLAN NEEDLE GUN-Mr Norman Ward exhibited
field rensag At the same tune thai ne had been Rr0deed
animation be found that it 6ad many points great excellence
These were presented IN detail After which he exhibited
Sharp bre loader sad spencer repeating gun Of the
Saer As some used by portion Of 6s Union army The
animation Of sss guns gave rise to avery interesting discus
EXPERIMENTS CoMsusrIoN.-Dr vanderweyde exhibited
gsmp intended 70 illustrate some important points in the
glass chimney arranged regulate the amount Of air
admitted to s well 70 the interior OF the circular
d daosd ' At rs maximum sH1 When tie supply
moderate and diminshes with the increase Of the euppy
When the supply Is very great there little light out much
heat developed thus stratng the principle OF the Bunsen
burner When the supply small the gas mpesctg
phenomenon Of brning M gas toe 6rst below carbonio
oxd O and second the top OF the glass chimney where
The escaping Osrbano oKyd meeting fresh supply OF oxygen
IRON the air burned with the CHARACTERISTIC flame 20
earbono acid @ he illustrated also the manner In which
he Invented bis alarm whistle BY long glass tube OF aooH.
onehaf inch bore held vertically through which mixture OF
gas and air passed and gnited at the op BY diminishing
the supply gas augmentng the supply OF air. the point
reached which an explosive mixture was formed In the
tube which took and by rapid explosions caused whisns
sound
CLASSIFICATION OF PETROLEUM DslILLA 1IoEsBy request
upon black board the follow table
ia which the hydrocarbons passing of between various degrees
Of heat the snsmed being gas at ordinary
tempeatuS which he compressed TO liquid for the pur
pose Of producing cold BY Its evapoon or expansion ana
has dnQuise by the term Chmogene. The Inst contains
the sst temperature up which body escapes the second
les name the third its gravity according 70 Baumes hydro
the fourth it, specific gravity and the last the limits OF
its boiling points the Fahrenheit scale