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VVednesday evening a large public meeting was
held at Faneuil Hall, to concert I1’lC‘fl£3|.1I‘eS'f0I‘ the
completion of the great. ‘Nestcrii Railroad to Al-
hairy.-

The meeting was very large. Mi-. flbbolt Lew-
rcnce was in the chair, and T. B; Ciirliss, and S. B.
Ii(i,g',g"£/isc-it were the Secretaries.

Delegates from Albany were in attciiclzmce.

A Committee appointed at a previous meeting ,
 i _ _ U _ . . _ ,
iiiaui, .1 long ieport, fiom which we annex an ex-

tract, cxplaiiatory of the objects in view.

_'I'lie Raili'iia.cl proposed to be constructed under
this <:lizirtcr critcnds from the Boston and VVorces-
ttf.r Riiilroiid to the border of‘ the State of New
York. To complete the line from that point to the

Hudson river, two railroads have been iiicorpora-
ted by the Legislature of New York, one leading
froiii the line of the State to the city of Hudson,
and the other leadiiig from the same point to Green-
ljtisli, on the bank of the Hiiclsoii river, opposite
to‘ the city of Albany. The stock in both these
corporations have been taheii up by citizens of the
State of New Yotk, and the routes have been sur-
veyed. On one or them the work is now in actual
progress, and on the other it will soon be commen-
ced. In addition to these two Railroads, which
may he considered as branches of the Massachu-
sctts Western, Railroad, a third is proposed, lead-
ing from the same point at West Stockbridge to
the city of T roy. Public notice has been given,
that application will be in-ado to the Legislature
of New York, at its next session, for the iiicorpo-

iratioii of a company for this purpose, with a (Sapi-

tail of $600,000.

The line of communicatioii, tlicrefore,- proposed
to be established, and which willbe completed by
the construction of the VVestern Railroad, Wlll lezid
from Boston, through the whole length of this
State, passing thinugli its centre, and through the
cciitrcol’ three western counties to the Hudson
river, where it Will unite, at two or three points,
near the great channels of coininunicatioii already
established, leadiiig to the St. Lawrence on the
North, to the great Lakes in the West, and to the
city ot'Ne\v York in the South. _

The report concluded with the folloiving resolu-
tions, which were unaiiiinously adopted.

Resolved, That in the opinion of this Meeting,
it Railroad, loading from this city through the
centre of the Commonwealth to the I-Iudsoii River,
willl be oldgreiit public utility, bly zill”oi'illiiig t1n}('i‘t1l'Iiy
zinc rapi communication, ant‘ ticreiy estai is 1-
ing a more iiitiniate personal and coinniercial inter-
coiirsc, between Boston and the Western parts of
the .‘:‘tatc, and also between l\/Iassacliusetts and
New—‘i."oi'lt and the W'estern.States. _

Resolved, That in the opinion of this Meeting,
the prosperity of this City will be particularly pro-
moted by the great public iinprovemciit now pro-
posed, l.)_Vl,l1C.ll‘iC‘.'CflSC of its trade and population,
and a proportionate advance in the value of pro-
perty tlicreiii. ‘ ' _ . _ _ _

Resolved, That in the opiiiioii of this I‘/.l€‘.Cl.lllg,
the work now proposed will not only be beneficial
to the public, but productive of a profit to the
proprietors, afi'ortlmg an adcgiiate reinuiierati_oii
for the heavy capital which will be neccssiirily iii-
vested in it. ,' _ _

Resolved, That such IS the iiiagnittide of this
uiidertaltiiig, that it is necessary for its_ accom-
plishmeiit, to rely on the aid ot an enlightened
pubic spirit; and that consequently, however
strong may be the assurance that the profits re-
Sul(,i11gl'l'()ln it, will aftord an adequate _return for
the capital invested therein; those citizens who
shall subscribe for the Stock, with the laudable
purpose of raising a suflicient fund for the p_roseclu-
tion of the worli, and of thereby promoting tie
important benefits which will result Ii-om it, will
be entitled to the tliaiiks of the community, as
polls benefactors. _ ‘ _ ,

Resolved, That Committees be appointed of six
poisons for the City at large, three for each ward,
for South-Boston, and for the towns of Charles-
itown, Lynn, Caiiibriclge and Roxbiiry, to. solicit,
in coiieurrence with the persons named in the Act
establishing" the lvesterii Railroad Corporation,
subscriptioiis to the Capital Stock of the same,
and to retui-ii the subseriptieiis so obtainetl, to the
persons entru'ste,d by the said Act witli the cl_m.i'ge
of the same. , .~ .

Al_E)’V0{‘3A’.l"EV 01*‘

GREAT Riinnoitn IVIEETING IN Bos'roN.—-On

"inch.

[From the Journal of the Franlilin Iiistitiitel
Descr1'.ption of at Beam, Compass, coi1.lri're.'i7.
by JOHN C. 'I‘Ri\.U'rwiNn, of P/i£lculel-
pliia, Architect and .E’)lg’i'I28i'3’l‘.
TO THE COMMITTEE ON ‘.’UBLICA’I‘I0l\'S.

Having recently had occasion to draw
several maps of Trailroadysurveys, on a
large scale, I was at a loss for ii. beam
compass, of a length siiflicieiit for striking
the curves, and, in coiiseqiieiice, con.
trived, for that purpose, the one here
described.

Finding it to answer in a very satis- a
factory manner, and tliiiiking it might, in
the absence of a better, be useful to
others, I submit it for insertion in the
Journal, provided it be considered of suf-
ficient utility. -

The instrument consists of a strip of
brass, (mine is three and 21 half feet long,
half" inch wide, by one-twelfth inch thick,)
having its edges rounded, to prevent its
catching iii any inequalities in the paper,
and being divided and numbered into feet
and inches, or in any maiinor that may
be ,prei'eri'ed. ’

Precisely in the centre line of the
strip, and at each point of division, is’
careliilly drilled a very small circular
hole, entirely through the brass, "and
barely large enough to admit the finest
sewing needle. Pains must be taken to
drill these holes ;p2'ect'seZ_2/ vc7'lical.

At that end of the beam where the
iiuinbering of the divisions comincnces,
is a sliding veriiier, by which the divisions
may be subdivided into huiidretlis of -an
This slide is moved along the end
of the beam, by means of the screw, at,
and is furnished with a holder, Ii, into
which a pencil, or drawing pen, may be
inserted. It has alsi a screw, it, which,
by operating on the still‘ pieceiof brass,
is, above, and the elastic piece, 3;, below,
forces the pencil, with any required de-
gree of pressure, against the drawing.
The lower piece, 3/, is elastic, that it may,
by yielding, allow the pencil to play over
i'tl1y§1‘0Llgl]l’leSS, or knots, that the paper
may contain ; and is very essential to the
drawing of a clear, iinbrolien line. c is
a sliding piece of brass, with a point, p,
and a semicircular» hole, 0, on top, (for
seeing the dimensions on the beam.) It
will often be found useful forasecrtaining
the centre of a circle by trial, when it
is iucoiivenieiit to do so by calculation.

As the size and proportion of the parts

 

of the slide, (particularly of the spring
and peii,) are of great importance, and

V mine are the result of several trials, I

have represented them at one-q'11itI‘l31‘ the
full size, to enable others to matke them
with cert:i.irity at the first a’ttempt.~

The drawing ink should be perfectly
clean and free from dust, and of a c-‘ertaiii
degree of fluidity, which a few trials‘ Will
point out. .

The paper should be brushed with: it

clean liandkercliief, to remove dust, be-

fore beginning to draw the curves.

The dimensions above stated I con-«
sider ‘suflicient for beams six feet long,
which gives a diameter of twelve feet, a-.
size which is very rarely exceeded in
neat finished drawings on paper.

For radii less than three feet in length,
both the breadth and thickness of the
strip maybe reduced. ‘

To use the instrument, having" first
found the centre from which the curve is
to be described, drive a fine needle firmly
and vertically into it; and over the needle,
place that division hole of the beam whiclr.
more nearly corresponds with the required?
radius; after which, bring the pencil pro.-
cisely_to the point of beginning of the-
curve,' by means of the screw, a; and
after giving it a proper degree of pres-
sure on the paper, by turning the screw,
it, describe the curve by merely pusliirigc
the beam over the paper, without any
other vertical pressure than what arises
from its own weight. When one line is
drawn, and the pencil is to be taken back,
to commence Eanother, it may be raised:
from the paper, either by unscrewing u 3..
little, or by slightly lifting the whole slide.
It will not be necessary to lift the beam
off‘ the needle, for the purpose of altering
the position of the pencil, for drawing-
coiicentric curves, whose difference of
radii does not exceed the play of the slide,
as that may be done much more readily
by the screw, a. .

In this manner, any number of curves
may be described from one point, without
the least enlargement of the centre hole
in the paper; a defect to which allother
beaincompasses I have ever seen, are
liable. This is subject to so little spring,
or irregularities of any kiiid,that I have,’
in the width of one int-h,,described one
humirecl concentric curves, of seven feet
dianzcier, precisely equidistant, with as
much neatness, accuracy, and clearriess,
as I could have drawn the‘ same number
of small ones, with a pairiof common six
inch dividers. , ,

The instrument is peculiarly adapted
to cases where the centre is on the same
plane as the drawing, and where the beam’