The daily dispatch. [volume] (Richmond [Va.]) 1850-1884, 1874-02-05
,o,.cr rynaan on >"""d-Se"
EaeaS.

.,.;-r.t ,hc Theatre Of the Royal
{" "': eroylcd hv >clenti5c audi
ia',""'," r''ar lecture l., Professor Iynda'i
E''E ~ '.'o,,s,,. 'o,,, rau>mrcrcy and opacl'y OF
~ ''' t..,, The lecturer referred nrSt
'a' ,''.rt ,,,,s, loss Of life and property at sea
''..' '.,,,r, weather. and said that earnest
1"'''.- ..7,.,,,,,r,crcc cndeavoted TO estab-
".. "'' ". " sound signals sufti icntly
.'.' " ,,t r,crrtnl 10 afford warning and
- =, mariners. The lecture eni-
, ,ac rc>!llS Of observations "!'lrh
d. ....ar ncGts. with the assistance
.. r.Gss hrelhrcn OF The lflhit
,,..,. !,aa ,aaac in the carly part OF
..rrcr from he coast Of hen1.
.,...u, were established AT the south
.,.i g.! Instruments. chiefly powerful
,.y,ii,,r> .ud trumpcl>. were piaceu
it, ,3e.t< Of which were noted by
,....-,-, who a>criacd whatever success
49, a..cudant on the inquiry 10 the
.':...,u,n connected with The Trinity
: . who vEscd i yacht at his disposal
.. .,,rr-,>,.. and TO The chceIfGl prompti-
,,I,t, rA,tn they carried out his wishes.
:; ...w ;..a, lie Investigation would be 4
.. .rI ,iriI;Gtl; ore. owing 10 The capri
. ..... %. TIC a,inu>pb bsrc, but there was
....,.l lf,,r. if Z .cirLtliic man were faithful
:. .-'.,rt,s, ;:.... would not reward him in the
,-E The. t,pr.IAcut> commenced on The
t.... ! Nay. Aud cOn,iaucd down TO
~, ,..ia!la. Of July. Sometimes sounds
.,- ...eI5n. ;.nm The Guns ut the fort pre-
.t,G ,yr- n 80 If the horns, which
....t inclined the lecturer 10 recommend
..... l.,. i. .1g S;-Eai> but at other times, 50
,..,r :.lnu- was me atmosphere, the horns
g. ,.. heard a: distance, where the guns were
...~v iu1u.iHl,. The range OF the SOUNDS
.,..i,,t m-:2 o. l">> I'll the approach Of
H.. wlrn ul The 81 Of that month, within
,.'n.,.u: >. mile. from the shore, the hea-
49,, anau,n Il cloud, no sound whatever
~ 4 ;cy'cd. An American steam
j.. ..-. w&l.A sounded Ike the believing
81. III wh,l hidden liza thick haze, vas per-
...,. ,.gvd.l,!r. Professor Tvudall said he
. N".,rG fD, WAS destructive 10 sound, and
.... lear weather was the best vehicle Of
.~, ni.s;c?. ., yet with such transparent
-, ,,H,rt ~ ian; 4 short range no sound
,,.>...i.t. I. aS been believed by generations
.,. ...a.Ii lsra that Il clear atmosphere was
..a, .rr IL, transmission Of sound. but his
r.,. n Wh.: h. had previously learnt was
....~.. ,.,>':,yr,l. aud slowly and uttcrl2
--...~ay. In or,!ur to tlld ont what Strhn-
XII 90. SQUAD ~Hh such 4 mass Of trans
.l.. .' .lr Z. III, n picture had to be formed,
'...t w..;ra man was unit to be phi
... ,..,r. ard Professor Tyndall wished to
-, ia; :C.iA! reelection cn>ued and inter-
.ri'.l tn. s"u@d; in proof Of which he
@.. >. ,n.nc experiments OF extraordinary
o. = showing that by the interposition
So. loud inr action Of vapor-periectIy
'..'.. .grrll-w!.; was ascending from
# ~ IVES checked. Before that
..5 ctlna no sound could be heard,
a-.' = ln4 sun lowered the trans
4.,.nI 81 sound increased greatly.
zsazs. he LIH of conservation It ought
a. IauHI That sounds would be thrown
,a"a y rth.ctiJn. but instead Of that they
"" -:rati! augmented. In conclusion. the |
i"a.,>pr 'Arihi!cd and explained the pecu.
.r"., oi Z revolving disc, which could |
"".," = >"iInl that WAS best described Is an |
A..',i"p. and winch the lecturer said would |
'' -rcM hGol TO the mariner. Far from |
j." "I"!t cI The atmosphere being detri- |
'Ar'." 10 The Transmission OF sound. the late |
:"-' ,'"T"d tc The contrary, The air appear !
- "u :" :" iuIl 81! sound. and after their |
.|,"t'i"n TIE sound vas only one-tourth in
.''a'f!. Professor Tlndail Was loudly |
..''"t Al Il. conclusion of his lccture.-
.' ., I'HtS. i9% Jdlu0y.y.