Delaware state journal. [volume] (Wilmington, Del.) 1870-1883, 1881-05-19
SCIENTIFIC UisCELlANY.


The museum at Roolak. in Epvpt. con-
tains what has been called the .toldest
picture in the world,n fresro from a
tomb at Maydoom representing six
geese.
Two natnralists have found that the
trunks of trees undergo daily changes in
diameter. From early morning to early
afternoon there is n regular diminution.
followed until twilight by an increase.
This is repeated at night.
| BY means of the 'detective camerai'-a
new feat in photosraphy--ph photographs
may be taken in the street, or in any
other place, without the Knowledge Of the
individuals being photographed. The
apparatus appears externally like book
or small box.
Some ot the remedies adopted by
modern medical science are peculiar.
Fuchsine, bright anilne dye, was not
long since recommended in Bright's
disease, and now the usr OF nitro-glycer-
Inc in minute doses is advised for certain
chest affections.
The desert interior of Australia proba-
bly, affords the hottest climate in the
world. Thermometer graduated to l27
Fahr was hung in u shaded place and
the heat was 50 rr.at AS /, cans. fla
| expansion of the ,nercurv to hurst th.
| tuhe-indicating n atemperatura nf moi Lass
than 12s degrees in the shade.
II has been proved by experiment that
the tarrins of ropes slightly diminislIes
their tenacity against a pulling strain,
but preserves in them high average Of
tenacity much longer than in the un-
tarred ones, on account of the nrot.ctinn
the tar affords ayainst thn J,.strnct;,,,
action of the air and moisture.
Soi,,,,i,,. ..,..... .,,....
s,,'. snrsao 'iuus ,ra,,,, t,'e ~, a'',Ni.y ol tie
s;,', ,,f ~ 80 u " '''e hummer anu
,nmn, IN issS m Iess T, 'e'oi l'iaNi-
an,r,r,, ar ,l,'- ~ 'i'ii'tii''"''S
vonJ am '"v "ti ''; 1''' u I'Si"is y 'ar pe-
track of n sun temnest n boJv ike nnr
earth would he swallowed mn LodiIv and
almost Instantly.
NJ Tr;.crll,ay 1....;,..., .au,..,,
,I,,,n,,,,,,,,' ac ~, - &" INA h""'o
Ii,,L,nino ni,,o.,.',I "''",a vi sion.'"r
tisnndarsStor,', idSt a Iast ,.V ~. ~ mn "if,iR
lail so,,a,,i,at IT. w. :.
Jarl ,.Ia,,d a,,, i,,.ai p"aae" .n o'it VI
hnt intt i,c,r., I;'a,'a; "v ''''o''le, p'"r''
i;t,l, ,,s ~, ~ ~, ~ e''re oi'
H.. ,1,, tn,;,' % ''I,' 'it ,,,, 'ere.Isy eyi.y
hnJv With I.s, ,i,hn,, hs' ,.n. Nv ,i'.i, i"a'i"G
and ,,as a,.in,sni.i,aI Eel .'"'N 'a,si'e''
,,,,, DS ,t' ii,,,, tt '''''' "D''o ''le
=, ~
NJ lreVe recently ihlde the singular
Observation that the rlhe oi lamp
appears prlshtef' ana that vertical
tim".',, ' " as ' mas, - s1en yen more u's'
.',Iiy .,'o?' ~, N'a''''.' nan throt,sh
,io'iO'i.". SUI "hi'o house' laha
soape VI we u'Su VI tne sun OF moon Is
peI.ei'et 81. "i,Ie eis'''y tir"'si! horl-
h"".a, i'' s''., iir mus Siilil'ur "lnefencrs
~ 7'"l't' "N'',.'"S "7 tio lISil'
p'N'e' '"i' .h9 "'yeot w t"e pau,
'""5" ''vi'"' VI hViA""htul sllt, anu
t'eiio1s si,:, ''o e''eo'" 10 TUE ACTION Oh III
i"Ne' i'e"t'
recent publication Of the Brussels
Observatory states that there are at
present llo public astronomical olIserva-
tories IN full activity, vil 81 in Europe,
III Asia, III Africa, i'll Oceanica and
u in North ami South America. The
United states has ~ Mexico, . Brazil,
Chill, Columbia, Ecuador, the Argentine
Republic and New Britain each. In
Europe, russia contains me largest num-
uer' ~ England mas II : hussia, u
ita'y' " AUSTRIA, o; France Sw''"er-
l"n' owr'eh' lioliahd' norway
anu ~ lorsusl' : eIci1; ~, heiSiuhl' Vreece ahd
Deliil;Irk one eacN' me oldest observatory
now IL, P oPeraal'h Is that oil Leydch,
mui'ue'i III loo1' alX ooaervatoflts OF
the ilost perfect equipment nave been
es'apiisiled III america SINCE ls'o'
Some interesting statements concerr-
ing early dentistry have been lately |
made in a discussion in the hritih .IcH- |
cM Io'Hhi. SIR Gardiner Wilkinson de |
rlareS that teeth stopped with gold have
been tonhd III Egyptian mimini"s--a |
thing which others pronounce impossible.
Dr. John Gaigor airms that he has seen |
in several museums teeth bound together |
in skulls of ancient late by threads OF |
gold twisted around them. Another |
gentleman once saw in Liverpool |