Constitutional Whig. [volume] (Richmond, Va.) 1824-1832, 1825-03-22

.Ne,c .Node Of Splitting Rocks.-(Communi-
Gated by DR.. Ni'Culloch to the Edinburr jour.
nal of Science. )-Every practical man must be
aware oi the expense and waste of labor and of
tools attending the ordinary mode. of biastinu
/ rocks and larg" masses OF stone b, gunDnvdcr
"''her TOR building or for the clearing of ron~h
GROUND. IL was this expense, renderIur il diff
cut Tor Inn To carry on his work at the contract
price, which induced MIR. Mackenzie, the CON
tractor of a road from Loeb Eve to Garloch.
{" abandon the system of blasting and To adont
like another Hannibal, that of the simple apph
cation of fire. His method was never found n
fail. and merely consisted in raising fire of
pcat-turi, bushes, or weeds, according To the.
character OF the adjoining ground, on the sur
'ace ct the stone to be split which being secu--
en- AT the margin by stones of turf. was kept i'm
activity for five or SIX hours AT first MIR
! Mackenzie was in the habit of throwing wafer
on tic stone when the fire was cxtinguishel, but
tii| WAS nor necessary, as lie found the IN re
heating oil the mass, IN every instance. suif-
cent for opening and enllrgin~ the G,sures so
as 10 admit OF small wedge. This wedge is
easily and cxpeditiously driven in. and The rock
giving way IN tie direction of some of IFS MAIN
raj clevagcs, large slices arc obtained. fit for
the erecting Oi dykes or bridges. Alihouob If
was as connected with road making that Mr.
Mackenzie first had recourse TO Tins simple pro-
cess, IT is evident that it can be appcd In fine
removal of those large masses of rock, which
are seen dlShguring almost every Eeld i'm the
enclosed parks of the Highlands, aud though
hitherto applied TO detached fragments of no
treat magnitude, practice NAV prove the posi-
hty of employ wing it in the fracture of The rocks.
| Hearing in hdia.-So far arc the inha b,ou,s If
Hnd"Stan from initiating the English IN their inn
povements that the rude Instruments of their manu-
iacturc arc precisely of the same construction
| as they were two thousand years ago. They still
SPIN their Yaru web well weft. with the dis,an
dhn spindle; and t. loom upon which the cloth is
woven Is composed of few sticks or reeds and
when 1t IS in operation it is placed under the shade
OF Il tamarnd or mango tree, with the balance tas-
tened to one of the branches Two loops under
meath the gear, III which the weaver inserts his
great toes, serve as teadles; and the shuttle form
ed like netting needle but of Il length cxceednn
the breadth OF the 10th is used alternately to cra ~
through the weft and to strike il up into the reb
Inc loom has II" beam. the warp is laid upnn the
@r"un" the whole ength Of the piece of cloth: and
upon TINS primitive machine tie A~iatics produce
muslinS whichhave long been subjects of admiration
Tor their beauty and the fnencss of their texture
IndttSfIy.-Nan must nave occupation or me mis-
cradle Toll is In" price of sleep and appetite of
health and enjoyment. The very necessity which
evercnmes our natural sloth is a blessing. The
world does not contain n brar thorn that di-
vine mercy could have spared We are hammer
with the Stcrilly which can overcome nv indus
try, than we could have been with sponta nrous
plenty and unbounded profuson.
The body and the mind improved by the soil
that tatIgueS them; that toll is a thousand times re-
warded by the pleasure which it bestows. Its en-
IJoymentS are peculiar no wealth purchase them
no Incidence can taste them. They only flow from
the eXertions which they repay.
.fdFIce 10 lOUH.-On the coast of Norway is a
dreadful whirlpool. The body of water which
forms At IS extended in a circle above 10 miles i'm
circumference In the midst of this stands a rock
against which the tide is dashed with inconce iva
bic fury; when it instantly swallows up every thing
which comes within the sphere of il, violence NM
the SKILL OF the mariner strength of rowing can
work an escape. The sailor AT the helm finds the
ship at fist going contrary to his intention; his
vessels motion, though slow in the beginning, be-
comes every moment more rapid, it goes round in
cncles still narrower and narrower, till it is da she'd
against the rocks and entirely disappears
thus 1t fares with the hapess youth that falls under
the power of any vicious habit, pa rtcularlv drunk
enneSs. At first. he indulgGseyh caution and til
mIfity, andS trnggeS against the streams of vicious
nci'nations. But every relapse carries him farther
down the current, and brings him nearer to the fatal
rock iii the midst of the whirlpool Till at length stu
pihad and subducd, he Yields with"u, struggle Il
should also be observed on the other hand good ha
bits as powerful as bad.
P"ncivntjon.-T prior of a certain monastrv.
trl1pxt lI,,Ii Il