Richmond enquirer. [volume] (Richmond, Va.) 1815-1867, 1833-09-24

.n h,s often been asserted that such sdvsnsses
contend arise from tho boats emsrEenco from the water
at high veoces nave been attained by boats with
mower in theme Tor instance, by such as row boat
steam boat, With regard tue first OF these the row.
boat venture sufficient, reason for such having
hitherto just remark. when the boa,man is row.
ing boat with his face the stern, by which position
enabled bring all the muscles OF his legs TO hs
aid, the antagonist muscles, hexors and exenscrs are
body part Of the stroke the seat OF the boat
but suspended Ms II were by muscular rigdity, very
much upon the heels When, however the blade OF 'he
passed OF the locks and the Intensity
OF muscular force is relaxed, the boanan seats himself
with hump, which, together with the resistance met
with when lifting the invariably dips the bow oil The
boat deeper aud prevents her emerging from the wa
ter With very little attention q boat when rowed
upon smooth she may be seen in this
oscillation will be perceived very considerable
extent occsoned by this shifting Of the centre Of gravi
ty merely in short skis but in the longest wlferres
Gaeos the Thames, every stroke ofthe oars In
the OF steam boats is also clearly to be seen that
attempt has been made to an emergence from
the water The improved speed Of steamers within TWEEN
~ years, has its foundation in the improved character OF
the machinery, and in the eongAon aud sharpening OF
the bows but II has not been IN any instance by aemPt
TO draw lees water proportion TO her increased seio
city"
Alt. Mscneili, from these and the other considerations
adduced his book draws the conclusion that navigation,
whether by trac ion or by impnson OF tho oar aud the
paddle, is yet in its infancy. The Aueaon OF the ship
wright he tomsrks, hitherto been directed giving
the vessel velocity through the water but he condeu
ly anticipates tho when, the velocity already gain
ed being aided by the advantage OF decreased draugh
and the vessel being forced tho safety and
comfort will DO the only limit Of nautical science" The
following his general reasoning the subject OF the
principle he attempts TO estsbli h.
| e" I he object immediately in CIV, when place
boat barge upon water good conveyance Tor per-
sons and property so is Il when we rlsce wheeled
carriage upon graveiled road, sedgo upon snow.
The difference however, in the modes OF attaining this
object, has been mos, striking In each OF these cases
the body be removed has rested soft yielding
ter aud whilst in tho two latter cases, no mechsnican
would provide for the wheels OF the carriage the
Of the s.dge facility for uting along immersed
studied how he could bet keep his vessel Poughng
her way. Tho case may different with a.goug
sells, which impeed by the action OF wind ION the
BEAM, and ships OF war, with their decks loaded
with welsh;y guns in such cases I" necessary that
sa'isiac orily shown that ses-gOng ships would
be improved by such build would enable ,hem
rise 10 the surface Of the water. Blu. to pursue
ducio ad absurdsm; there many in navigation
where sharp 'cuwater' shape to boat would be
intended Tor poughed land cart wheel on gravel or
other yielding matter, sinks the dete mined line OF grs
vitaion with much certsinty will boat upon
and boat resting in water, will according the veoci
y given TO l., and the form oil its Prov and boom) rise
the surface OF the WATER well cart heel
will rise, when put rapidly into motion. The difference Il
density u.s. no doubt much create in than
other but the will resist the penetration Of the boat
in the same though the degree the
soft gravel mould, resiss the wheel Now outstanding
conclusion obvious TO those who know the lave Of
vitaion and the properties oil maer-so easily calculated
by every who understands any thing Of the conbna
ton OF torces we find IL has been neglected. in order
determine what law regulates the movement OF body I'm
!,
"At time when il generally held, that the resist
to a vessel in the water increased in the duplicate
Of the velocity of the vessel through the water the
now keeny- contested merits OF railway transport and
canal transport brought under discussion. Expert.
mens instituted in order to confirm this law, OF
sisiance, but il occurred Of the experime
that although they could increase the density
wafer, consolidate il, has beef done with
H. tina, they could still increase the relative resistance
=, Nv giving the boat such velocity that her PROV
~, ,h ate last enough. and thus that she should
s Use ,; ai" They might have reasoned, by
&Ppn lanAn
snow. and conveyance wafer, I.va IeeiiimaeIy
That g., as on il object was not to through
ties in the other shey should have nen ve,oei-
surface and max" but also TO raise the boat 10
, " Such facts obvious to ar, 2suv 49,.
make thin stone skim the surface OF lake who have
f watched the action OF ball the sea
who have lett the difficulty OF making any impression up
on the stream forced from the small aperture OF fire.
CINE hose ppe-or, indeed, who know any thing the
= properties OF matter"
We do not know that mention has been made of ne
discovery in the photographic which said
ceptble oil being extensively applied useful purposes
An English gentleman il seems has discovered method
OF Transferring any printed work, for example,
to stone, IN such way that the may Immediate
y put to press aud number OF copies off, every
one perfectly ise-'lne OF the original 1t proposed,
we are 'od by the assistance OF this invention, repub
ilsh some OF the London newspapers and magazines in
ibis country; and William Jackson. the importer OF TO-
reign books in Maiden LsDe about reprint by this
same process two three OF The latest London novels
which WILL OF course be perfect copies of the London ed
ton, page Tor page and letter for letter. 1t will be evil
dent that any number Of copies of work, an infinite
extent may be obtained by art at the cost of ONLY
once putting the book in type, and il must
nave the elect TO occasion great dimnution i'm the
price oil books. Thus, valuable and very costly pubIca
ton undertaken in LondOn-a public alton filed
WIN sbsruse calcul atoms, Diagrams SC. The expense
oil reprinng the work in this country so great
That no one, in view Of the limited sale would probably
command could be found hazard the enterprise But
by the assistance Of this photographic art the thing is
put within the ability Of any publisher however narrow
his capital and limited his business IL is only TO
single copy OF the work in question, and transfer the i'm.
preston to stone sheet by Sheet arrives-and then
he Is prepared 10 print off any number of COPIES or
large according TO the demand In this way the famous
losan'hmic work executed under order OF the French
Government might be reprinted with the inallble
accuracy and sold for price but little exceeding that Of
element OF cost in all pubcations-would be- wholly
svoided.-.E y Ere. Post
AN ExrRAoRDINARY NATURAL PRopUcrIoN-
we have now, in Office (wbere and farm
ers are requested TO call and most spe
ces OF corn The history Of this freak of nature is
substantially as follows About three years ago. a MIR
Carico, living IN Gastin county, Kentucky planted some
OF the common Indian Corn in the OF
py piece Of land which grown over with a tbirk
strong grass resembling sedge grass In the fall of the
year when he was gathering his he was surprised TO
ma inst ears oil corn were growing and ming upon the
grass and that on The blade grass grains
growing Struck by the singuIay Of the he
carefully preserved the grains aud planted in the
spring The result extraordinary, producing growth
psrtaking Of the qualities both the grass and the corn
and superior TO both forming third article very adyan
tageous TO stock farmers The stalks in our office pre-
sent most remarkable Appearances The fassef does not
Dear any resemblance to the tdsscI but ia more
IKE the heads oil coarse grassthe blades long and