Savannah morning news. [volume] (Savannah) 1868-1887, 1885-04-05
BITS OF SCIENCE.

In a galrauic battery the zinc plate
WIS gil6ed with eall before the mercury
W - aIPtied u amaigamate WITH tie e.
Tne pss+te was immersed IA water, NitA d
hstbs cb3crfde u mercury added Ss1a .
FsrUus pot containing a tnehFH'nats %
potash ssiutf5-S and a carton plate '-9
pjeee the battery. TIE sstd IS sala - re
duce tire local actzon on Re ElDc ana save
v ssts q it.
Tae power Of regeaeratilg lost paris 's
greatest Whers- the oFSsBFZ ttio- IS 'e Il,
and wbfte TIE antaasl is Ia the young OF
i@Tvai star. II - really rtocpSs oil Uud-
ding 0sTtsfin worGFs Ray NJ Sut INTO
soFerS' pleoes. anl each part go
bat 70 sseedea l. csv1Dl e the mi 'EIeu
org. AslR. Tfse star fsu car re- &C 4uce t's
claN.s, tAe fisa its NOS, the spid l. iees
an. thu liZe-f is tail.
A leath 4rn3sA oFpolisb, said = be
% BecuIias qeapT .tiOR, P. 3 a. el az
6 the esra bilsatnept. B-rHs. by mix
~ a Eleered solution nj ~ paTts OF sne4-
la- in - ,,s.-ts af ale Aoi Nitb parts OF
w>x. . u castor o.. and sun -lsAI' q
titS Of pig'aei rbis MIKE ng cap
ora.ed into Vacu'R L. syrup. lbe
vaFF 80 L apY Une leather WIZ a oTbsA
moisstnea v tn ale, .ol.
NJ. Il. Imvn saws Ldat lead pipe
ouEb to De entirely used sc'nluCt3ls
OF Grin king water. The water takes Up
pat les OF lead. not Ny by the raechan-
heal action Of friction. but annt4 Of
some OF JUS constituents, at,-sks nv h-et-
al is, ~ Bd / carbonate resu
These -AiBute part! les OF lead lnsrodrced
iGto the s. STEM cause &mla, ana con
sequentiy detective u'ltrltIUn.
A tram ear which does not require
switch and siding On meeting mother car
has been coDtriVed. Inr car i Kept on
TIE rails By means Of a tf, vine ln front
Il the Others, AID catching m groove be-
tween the rails; tle suiGe wheel : sci 10
a triaBleu lar frame On Jne iele axe, ana
when the driyer raises this the car retdi-
~ leaves tae rails, and may be o"aWn
over the staeet pavement 10 any dlTec-
ton.
German technical papers recommend
the following IN lXture IT the aiming q
wool IN imitation OF cedar: 30 parts oil
cat & hu. lp9 parts OF caustic potash AID
10000 parts Of water, all by ~ei&ht. lie
longer The wood remains IN tals solution
the better the STAN penetrates IL n0fes'
and thick Vensers can IN tnls way De
stained right taFouEh the " nOie Thickness,
which permits a reEnisalBg without lDJu-
~ 70 the color.
The celebrated English Psychologist,
/ Dr.. CaEpenter, has proposed q sd'sIdn-
TALLY uee version el tue germ theory oil
diseases H. believes. frun observations
based upon the ma tDilltY Of the odciit,
mat tHe me germs may ir0duc- dlIler-
ems diseases IN different nsfltuti' rs, "A
heory that Is cOrTob rated, II nOj IL
trmed bF recent ouserF atoms, which
boR that the bacteria Of typhO fever
! aud malaria are Of the same description.
Somebody has been collecting h-ures
] giving the distances to winch SOUND is
| convey, under lay0E bic atmospheric
/ conditions. }. j. Strananau states that
| he whistle and tn noise OF tn train on
| the trestle at Erie were formerly heerd at
distance Of - miles. W. J. McC.. Of
/ san Pabio, Cal, rites that cain,
/ clear days, especially in the iail, they
/ hear the rumble of the cars on tres lie
/ located Is miles d -ta t. y. ii. ,. says
/ that he frequently heard the railroad shop
whistle at Grand Island, While living AZ
/ Orvile. "A distance Of y miles. Z. '.
/ 5warthout, Cape Vincent, y. Y, frequent
/ /, hears the w1fistle al Kius ston, ont, %
mil ;.