The Kalida venture. [volume] (Kalida, Ohio) 1841-1865, 1848-12-12
INTERESTING FACTS.
3 A BEN rung under the wafer return

l
! oAbell rung under the water returns a
tone as distinct as If rung in the air. -
Stop one ear with the finger, and press
tho other TO a long stick or piece of deal
woodyand ifa watch be held to the other
end of the wood ticking will be heard, be
The wood or stick ever SO long.
i Tie a poker on the middle ofa strap Of
flannel two or three feet long, and press
your thumbsor fingers into your ears. while
youswng the poker against an Iron lender.
--ia -. Iii i..-. tho ,iint oI hea-
Ivy church bell. Itmusi be observed that a
lbody in the act Of sounding is in stale Of
vibration, which il communicates 10 he sur
rounding air the undulaiions Of sound
Sound of all kinds il is ascerIained, travels
at the rate Of fifteen miles in minute; the
softest whisper travels as fas, as the most
Tremendous thunder. The knowledge Of
this fact has been applied to the measure
ment Of distances. q
Suppose aship in distress FIRE a gun, the
Hight of which is seen on shore, or by an.
other vessel, twenty seconds before the re-
port is heard, il is known TO be al distance
Of twenty times ll42 feet, or little more
than Al miles. fn s
Again, If see vivid fash of lightning,
and in two seconds hear tremendous clap
Of thunder, know that the thunder cloud is
not more than 700 yards from the place
where am, and should instantly retire
from an exposed situation.
The pulse Of an healthy person beats
about 10 in a minute, if therefore between
a fash Of lightning and the thunder, can
feel l,2, 8, 4, beats of my pulse, know
that the clouds are 800, 1900, 27OO feet
from me. 49,
Sound, light, after it has reflected from
several places may be collected in one point
as focus, where it will be more audible
than Ill any other part. Oh this principle
whispering galaries are constructed,
Speaking trumpcts or those intended TO
assist the hearing of deaf persons, depend
on the reflection of sound from the sides oI
ofthc trumpet. and also upon its being con
fined and prevented frym spreading In eve
Try direction. A speaking trumpet 10 have
lis full effect mus, be directed in a line To-
wards the speaker. The report Of gun is
mucD iOuueb WDeu tOWaTuS person lndI
one placed in a contrary direction.
---- t
| INVALID READER! a word with you il
4 slrepard 10 the testimony Of "WIsTAR's BAL
SAN or WILD CHERRY.r Have you examin
ed the cases on record? OF the cures thi
medicine has performedi Have you re
marked how desperate and almost hopeless
many Of them were? And how complet,
has been the cure in every instance? Have
! YOU noticed how many and respectable III,
ms, IONS who have certified to its value ant
4 eficacy? Have you observed the evidcn
candor an,d good faith which characterize
4 every case recorded, eyeryceti6caie given
lIf SO. there neaci no more be said 10 con
vince you that this preparation is the yer.
thing 10 which you should resort--if not, thel
YOU should send TO The agents and procure
lDr. Wistar's Treatise on Consumption, pc
ruse il and we have no fears Of the resul,
Il Also sec advertisement.
4 Illinois has given Cars 5000 nsjority.-
~Ln,.. I3nn rs 80. lfat A