The Rutland daily globe. [volume] (Rutland, Vt.) 1873-1877, 1873-09-09

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49,, ,,.,, 80 ,a.n
LIAM -',''' ~, -,u3'' 80
While the subject matter of this paper |
relates particularly TO the cohesion of |
liquids and an apparatus for determining |
the same. shall have occasion to alludc |
to this property of matter in connection
with metals. a. there are certain causes
that produce the same effect, when allowed
10 ac' upon 'llunS or 'he'a'S' "lo one OF
more l'e'''i"' '''h'"''cr'S''' VINO" ""'c'S
the one ana MOI Inc "'''F'
1t is due 10 This property of cohesion
that all matter hold their forms. and as
SopS''''o'' It" MOI poS'cNS 1t III 'io"'
measure 'he amount "h'ch any one
substance may nc known to nave furnishes
no GAIA tha' VIII enable us 10 JuuSe cor
rec''! Wna' amount Is Pos'esSco ny any
"''p'' in'ic'oic 1t Is 'cc'SSa'! ''l"' e"cH
i''"r"''' N'''. VI '''''''' S"o''''' w S.o-
J'''',' W 'i''',"' "'''' 40 'oni,'''' we
'"'H "'i'''9 "'.i' "'''0' "''' VI. H'"'''''
,,.o,s,.I ,,,. ,i,o ,r,,,,nrof ,,n,rd. roorircd
e., oa,. a.,n1,r nr or,.h g., ,,ioco Of ,,,o
,,oto,.;,, ,,,oso ,.,,s- .oo,io, u,oos,,rcs ,,o
sororn r,ch
,t.,...,.i..ru.. uod;f
..'..,',.i,.,. ,n.,,,a., ,,;,,oo,.
49, ,,,.,',,.;. -, a., ,,,., ,,,;,a,Io
...,.... .,.,,.
.'.,,..,
y f'o Oh ir"h' "i'oSc cross ScV''oh
measures one H'luuo ihoh WIZ ''S''' "
H'"''' VI ''''' VI oo'oo' l'"''"' ~ sustain
100. ~ ''"'' W ''''7 say ~ '''''' III
'V''s'"'
If il were possible to suspend such rod
ana then apply heat to MS upper end, the
weight or length which it could support.
would be less, and thus the weight and
length which it could sustain would be less,
as more heat was applied. and it would
continued TO do so, as the temperature in
creased, until the melting point Of the
the iron would he destroyed
Now we will attempt the making of an
experiment. somewhat analogous to the
one one just described, with liquids. We
will use hollow cylinder, thirty-1ive feet
and nicely fitted piston. the face of which.
having an area equal to one square inch,
Them "a xvif 1,
the lower face of the piston immersed in
some liquid water Tor instance; then, by
IaisilS inc piston, the water VIII follow,
ana II VIII continue to do so until the
"e'sn' "i 'he hquid column equals the
cohesive s'rehSth OF the liquid, at which
Po'i'' IL 'he piston Is raised higher, the
mud column VIII be broken. The weight
OF the column thus raised, will indicate the
Io'.,'''' '''o'5'h u 'ha' particular liquld'
:. '''' experiment shouio NC repeated, win
Wv temperature OF inc liquid raised' the
7''' '''', ''"s.h Vi .no column "ouiu pe
Va, ',N"N"NS po'n'' ""'' 'iie' "ouiu
o'''"re ~ " i'NS At "'sier temperatures
49,. 49, ,'0 D0'''''S ''''". was icachcu, when
''''' W Wv '''i"'' """'" "c "e-
'"'''''
III '"e experiment with the iron rod, the
cohesion Oh Inc metal was what supported
''' "ci"h' up 10 It's breaking point, hut
sucl' 'S moi 'ie case III regard to the liquid,
rs the cohesion OF the fluid served only to
"'''0'i'''''' piesSuio at 's sur
'"n a. '''' .o'''S'o'' peca'hc less
~ way "pp'. ''''oii V. neat 81 'he amount
MOVING rooomo ,a.. r rap"'ro VI ~
o,nount Of rross,,ro ,,,o, ,,a 49, Wv
= ,,;sto,, oo,,,,, -, ~
ia Ii,,i,od a. NO. a,.o.,'c ''Iu'''
,vh;,o t,,o s.aa 49,. 49,,
column in tho hi. - ,,'o. 50 '"iN''
,,Je,;. ,,,,ess,,,n
.,.a 49," '" convey ."' iu'" 'ia'
;,,,;,.,e7, .1"'' '''''ii"
,.,;. ~ -. i'''''' ''''' '"o
1' '',' N".' Nv i"iseu
",V' w IL Is c'i''eht
'''''' = '''0 i'''@'"'. 'No''" NC removed ny
''' an p"n'p, ''c ar "ilch the liquid might
''n'''' at '"c commencement OF the eX-
rN'''''I"', 40 VIC" 10 ''c '"por arising from
,,o.foa, W., ,i''h''y more
,,ln,, ,,,..G ''' " ,O'','o'' over inc
a,'1 l'''''N "',"' w removed
" s','.' ''''D""' " atmospheric pres
''''.' NV i'"'
mere Is another cause which materially
'O'''''o' W Hi''''S ."ii'ch Goes
i''' '''''' ~ l''eSs''e'
II ~ u TACT wen known that less heat is
required TO cause liquids to boil on the top
OF nigh mountain than at its base and |