New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1877-08-13
SCIENCE FOR THE PEOPLE.

SCIENCE FOR The PEOfLE.
Attempts have been made to classify torpe-
does but the new arm warfare is as varied as II 1t Dc
lonreA 10 Brareus Several Of the torpedo cohVlNno
h.v hecn already described THE TRIBUNE and atte
five readers are by this time familiar Win inc cohsuo
ton and operation Of the more noted ones suon "S %
torredo used on the Russian launches tha' oehS l"
rallv mass OF gun-cott0n fixed on the emu Oh ot'
ard needing 10 be carried by brave crew To It's deS"
g., 10 whitehead or fish torpedo which is started ~
heng shot out Of tube under water, and possesses "
ovu means OF propulsion in q screw Worheu pS W.
messed mir driving II beneath the surface ~ 'ho ~ -
twelve 70 twenty miles per hour for distance VI o "
two thousand yards the Lay torpedo an AI'ell'"" III
yenton which is managed from shore by me 'ha' ul
roels as Il proceeds the line carrying an electnc Wo
tbat controls machinery within the torpedo anu "7o
mines al ts motions at the VIII OF the oic'"''i -
"a dnleult to speak with certainty OF 'ho 'U''
narrative morris Of different torpedoee, but II inc Lay
torpcGo can DO al that Is claimed for IT. II shouu W
best as 10 is certainly the most managepe ~, d
powcr "a compressed carOonie aoid Use o.y s ALLEGED
against thar torpedo by foreign cr's a. 0,raSb may
Wert of spted AND the poss bhy l.at us l,,,y
80 h The ftc u carries 70 LEI tue Operator nuo"
,fs whercsbott. neither of these oe.ctl"ns i,eS@
wei spoken Of That Is managed 10y OWNS Wien Tie
toT.rape OF his machine is slacseneoi IL "a If@
tn surface. and IS tcn rc'a! 70 ~ g1,T rrIgisE:
i,,rfug rocket drives torpedo ON sor' "a 'ti,n
i ~ ,er ne surface Of the water An Ill. c ..'"I
e,o@. $50 ,.i rise /. torpedo carried by siSu
Sooor 1lc torpedo nrTanSed ss 80 ~ tisD.ion
I"o4f, ~ lie expiration Of gwen ulhe tc No va
AZ Al. haloon is NOT necessarily tLat ol lIo ' d, H.
sr rl,. ,aurs give 10 divergence WIZ i'' ,,ori,
9Sorrhf ,ire torpedo be made to drop ny ~ ~
r. of anil. c spot 100 fest square at "s'"N' u
three "a four miles
n Cbastaing of the SOrbonne' Paris mas
discovered in "a series OF careful researches 'h2' o
chemical action Of Tic spectrum is OF contrary n"'"
nj lis two ox.rcm.tits and that at PONY vo'"',"
and T. the RAYS have actluic power Ihe oeoA'u@'N
action OF rys near the violet end Of the spectrum" '''
hoeyer much less than the oMdzing powers oi we
n,-r The rcd end :hcuceas awhoc,vho he't j. oeoH'
IN TTccNi eru.Its sul scst the question i.ee p t
rv,tv .l Ia. not he more Efficient i co4du td l.4 "'
- f,r,r the violet end instead o. Win "mie "e-''
Partial accounts from PrOfs C.F. hieY anu
A = Packard IT,, Of tleir Official investigation ''le
tDrthe .ras hopper, are gwen ID VEG "'--'-" i'i'-
Tic nle.nl,rs - the U.c. states En''iH'' Z. .- O
r,iso. AVE made an extended tGip through " ''9' IT,
10 t po,ty q ,unaiu territory. The Observations CO
t5o ~ indicating tsat little trouble need NC lcae'
fron t.io crassto1p.r during the Ires'h' y'' }" o.
Western States T.e vet, cool, backward "e''"'' '"
,o,ed ,,fayc.ab.s r9r tue insects Development 0u4
there are only lew localities where me nD'LD'''
bsl,hci ast sufficient TO DO any damage fr'i' r'l'S
ro,t oli.te more dountfuy about the prospects %
Ci.o in tln~ respect than 20 Texas. Missouri 4'n
SIS aud Iowa 90 account OF tie greater Fafire o
and climate that Colorado affords get eFc le 20 me
e.tclc il .crv lopet II Minnesota and Eastern iH-
olsorved flights OF rasshoqpcrs Tor TIE present year
thci, directions varied in puEzns way Hndt IS d's.
L. draw any conclusions rom t.c ItVo'" .a 90 ,-~
tiuat!ou. Several o. The islta Wcft ~ ',i 10
Inc Northeast aud this fact may De c'htec'.u w &
recent complaints from Canada OIL r1S9rce Tor
'lopacTs there. very ,ucouFH+in- &" , riC,
ON farmers IT. that 40 accounts o. &c s",l, 49,
ras-el over Dakota describe ihe Hsco'o 'S """''"9
either " hatch OF feed.
In this column last week. cement was oe-
s,rib,t l.ade uy merely mixing soluble glass arc pre-
20 Fnr N
,ices NJ ornament fof tho toilet, cabinet cures.
10. and Tho Ike lut VIII not stand much washing.
corrcsuanden asks what is 10 &c done u tho so'D.' s
Is TOO thick Maui,csty, tlu It, Water VIII serve 'h'
purpos-loi water better than cold bi' ioI 4gs We
decided the best effect can Do "Dalhta ~ ,Li" o
sCnnie ..s I'll OF UsuE WIN b" diop CD st""A
squa aaron i.s Oh 4, &C. y,e tc r5rrI'
tacs 49, il Ga position. without any need oi'y"E "''
layins aside to dry'
The annual volume of the American Associ-
eilou for tuc Advancement % Science is "t h'hu' -
c,.i,, tl tr,c.eeiucs and tie leading says % ia
Bufgil, meeting, nni is handsomely ptf'c' ''-nle ''
Sc, pages I'll, addresses q tse President @ni We
precpt. arr, rv.uiu flll-thcse are OF Pro o. j. III
gard ou National Surveys. PROF. c. +. Barker on '|e
Plogcss OF Chemistry. and Prof l. s. Morse on AMER
can Contributions 60 Darvnsm S,Fcr'' o. zoe essay
sr Illustrated; AMONG chose 30 distinguished are j. w.
Osboru,s ON TIC Graduation OF Thermometer 'i n'
Cvra.op a. LIQUID lassea ip Motion and Ga Dcte'mi-
nations o. Subjective Temperature. tho last being cur
Gus AND partially successful ATTEMPT % ascertain 40" Lar
wran- tLc gNCrEC 'uHu ls when nc '-4i", u - 10;
lis OF cT nu:lors includes ai unusual l.ner ci li
Iroluref. DOB science. several or inc TOPICS Ok o..
gsncil interest,". tch Variation ln the toois or IN
male los GT0f. " Ga"Iuau; The Ar2y "oi a. 10y ~.
q Y F.iey. Greek ard EtIuscen Art ~ Re" cry, ny
Ae.,..fdfo Case LAM TIE Volume j. tdlcH " ui TIE
care thar has become feature 81 these publications.
The disaster which the Aquarium In this city
has sustained ny the malicious poisoning of is salt
water tanks is happily NOT irrcqafabe though nearly Rl
the occunants of those tanks killed The enterprise
Of the manager may he trusted TO meet the cmci-
rnncy Manchester. England. is less fortunate. The
nouariunl there was Iuunased 10y company which
has announced al intention to wiut It's :nairs ana
mt M end 10 tho exhibition. Tie company naS been
mguanagiug. aGd j. overwhelmed d. debts ana mort
ao. wall, is ca,nta 10 TOO small for business. the
ygtrona.r Wa sufficient To keep the cencrrI nom
fo,uc money Il u lad boon in stronger hands 4c c
inc van In. regretted because the hsnchy,'rt
Aouarium WAS made the means OF olnt seen ne v'tl-
non 1, woriugalu. turO "a courses OF lectures On
natural history.
European papers give q marvellous account
of rec. nj discovery lie bottom Of Lake Geneva All
American it stated. In boat which upset near
The village OF Saint Pregs The American carpethas
went 10 TIC botto aud The owner, after gctag ashore
hired two divers to recover lis luggage That vas
brought ~. ana with IL superb antique vase VITA
handles tie form being Etruscon. Numerous Ictrliac-
tons ana fragment OF white marble were also found.
npd further exploration favored the belief that
eicut town was there submerged Tie authorities cf the
pcighboin. village took re matter in hand. and liter
sv spread oil the waters 20 obtain Greater trans
parCucy A. latest accounts the remains OF Two nuncd
homes DIS tiU fsACd LAID OLt ~ streets ana