Weekly national intelligencer. [volume] (Washington [D.C.]) 1841-1869, 1850-11-23
AGRICULTURAL GEOLOGY.
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Hudor the Greek word fos wasss 0inomsl or ssuoso
added gives the origin Of the word hydrogen Msou psshos
and sulos added TO hudo give bydonss Lydropuhy, and
hydraulic Hydrse Of lime il newly ssksd line containing
wenyone per Of and seventy nine ps can't Of
the oxyde Of calcium. Hydraulic lime 10 s0afc cenesf Il
most fortunately discovered 10 large quantities Il The very
commencement Of the Hudson and Erie canal in the rock
excavased for the work. Before this discovery made By IN
agent who had visited Europe in behalf o the work. the cal
culaon to import this ndspsnssb article from Europe
mas since been found very and large dspos,e
aodng immensely to the facilities and tbs progress Of &hs vast
"orks o. internal improvement say completed and now sd
vsnens by American enterprise. No one work. probably
"aae 20 large demand Tor hydraulic lime and water cement
Is the Croton Aqosducs Of New York.
The various uses both 10 srchitecturs and srrcutue Gar
TINS material are nunbsrsss and namsIsss For most public
works It v Indispensable For numerous domestic purposes
exceedingly convsnisnt h il powerful O. cement
that two masses Of Stone cemsnd BY win somssss break
In another part OF the before separating Il hs point Of
junction.
The oxySe Of iron, in connezOn with spoion Of .umn.
clay, causes its great cementns power In prsp.n. \ S
use, it is burnt like limestone nssad Ar .l;. n
ground, when, with mixture Of sand d i formed into
4 mortar, and ready for ase. -
Though numerous dspoes Of this very valuable material
have already been discovered and brought into use advancing
immensely the improvements and tho wealth Of the country,
deposites still doubtless yet remain nm
known Once let each Of the eighty thousand schools and
the sx millions Of families in country, become an "x-
pong Agency discover the Of science and Of
wealth under their feet and within their reach and numbees
beds Of hydraulic lime mari valuable Ores and other mineral.
both rich and beautiful, will be brought to view and pu. to
their proper use Another discovery still important than
lime, mari gold, will certainly be made in the operation
II has already been made 10 very This most
important discovery, certain to be thus made IL that bad boys
are good boyshe worst the BEST Leaders Of owdy gather
ngs will be- they have been, very often leaders in exploring
expeditions the efficient for being juvenile voluntary
and gratuous.
Experiment Let any teacher parent request his pupils
children find what curious and beautiful minerals be can
and the result will be the commencement Of " Geological
Cabn for the school the home Of the young explorers
Hornbend is tough than hard. So its name indi-
Gates It enters largely into rocks Hornblend rocks form
of the most beautiful and sublime mountain and land
scape scenery in tho world The Giants Causeway in the
northeast part Of Ireland the Palisades the banks Of the
Hudson river the Bluffs called East and West Rock each
about two miles from New Haven Connecticut; Mount
Holyoke and Mount Tom, the Connecticut river the
richest landscape scenery the Columbia and other rvesn
different parts Of the world, honbend rocks The see
merry about Edinburgh Scotland is said resemble very
nearly that about New Haven, Connecticut, exhibited by
the geological formation-basaltic columns On both
these cities it is the and almost only building mate
RIAL admirably fitted for the gothic style Of architecture Some
poet said of the citizens Of Edinburgh who have very much
impaired the natural scenery about the city for the purposes
Of architecture that they had little that they sold the
sublime and beautiful by the CARLOAD These columns are
very much in the form Of hexahedal ps from six inches
to foot two in diameter The length of the blocks form
ing the prsms frequently about equal to their diameter
Each block is followed at end, and convex
rounded the other the and ths surfaces
exactly fitting each other The sides Of the prsms also
exactly fitted the cells Of honeycomh and Of the
shape
The most remarkable exhibition Of this natural mountain
mechanism is in the Giants Causeway where these hexahs-
dra columns, perfectly matched, great surface and
the height Of two three hundred feet The inAabi-
ans of the country ancient period supposed
be the work Of of giants living there period still
ancient.
The property Of toughness in hobend very much modi-
es the character of the rocks Of which it forms part For
many purposes they the durable Of all rocky orma-
tons. The Russ pavements, introduced into New York. are
formed Of rock from Staten Island almost entirely horn.
blend, having little quartz fine grains intespersed through
the mass Inougn called Staten Island granite, Is
different and entirely superior any granite formation
ecy called No rock upon the globe could probably be
found durable better fitted for sHoh pavenents than
this hornblend rock taken from Staten Island.
ExPERIMENr.-Draw circle by pair Of dividers. Not
changing the distance legs place point in the ccum
ference Of the circle drawn, dividing it into equal paris
will thus form in the circumference six points equsy distant
from each other Unite these points by lines drawn by the
divide, and the result win be- regular hexsgon showing
the shape Of basac columns quartz crystals bey emerald,
spas cells Of the honeycomb and many other specimens
of NATURAL MECHANISM"
A TRAVELLING IHsURA NcH CoMPANY.-Among the noun
ebanks who station themselves with their copper ewelry
nble for every thing and polishing powder on board
the ferry boat at the Of Liberty street, TO practice the
creduy Of passengers going the Philadelphia raroad
il middle-sged gentleman, who opens portable writing
desk which be the railing Of the boat and spread
ing some blanks before him. Immediately establishes Life
Insurance Office, ad tresco. bsFtsas
g Il there any gentleman board" inquiries this inn
prompu insurance agent who wishes 10 have his life and
limbs insured between this place and Philadelphia, Baltimore
Washington Charleston, Montgomery, Mobile, New Or
leans any other intermediate city Of the South! Only
six cents for policy Of insurance to Philadelphia If you