The morning news. [volume] (Savannah, Ga.) 1887-1900, 1899-10-30


! or" the current being controlled by the
! intercala ton Of a tuning fork. In a mo-
| ment he realized thar discovery was
/ made on trying the razor he found 81
| in a relatively good condition for jas or
| binary work This was a proof that the
| capitalization had been partially multi
| fed. But work as he might with his
/ sOlenoid ne did not reach complete success.
! His solenoid was one of perfect ubal
| curve.
| He was about to abandon the undertake
| Ing In despair when il occurred to him 10
| try an interrupted spiral curve.
| A soenod the coil OF which rolls stead
! lily in one direction, carries a votative cleo
| trical current running in an unchangine
| course, and symmetrically magnetizing
! any soft iron that may be placed in its
center. solenoid. on the contrary.
| whose curve is interrupted, carries cur
| rent which changes with the frequency OF
| the interruptions and has peculiar effects
| on metal placed within ii. Il induces in
the metal Independently of the extreme
| poles. as many interior poles
as there are alterations in the coil
| These alterations are called by electricians
consecutive points" They are alternately
OF opposite electrical denominations. anc
those at the extremity are of the same or
of contrary denominations according as
the number OF alterations was odd or
even.
CAit VI AitrF @pd7 pidHfA dAOhlAh AIS IN
zor gave perfect satisfaction to the ex
perimenting Italian, and he saw that his
discovery was complete
His Electrical Theory.
He perceived that steel and wrought iron
must have a normal node of molecular vi
bration to retain their unitarian proper
ties-tenacity resistance, etc, and that
another node of vibration produced crys-
Utilization, or a segregation of the atomic
~ 1ifFIp n n n cohesion
over and over again he repeated his ex
perimenting, inducing crystalization into
the razor by the means of turning forks.
and restoring the lost qualities of the
steel by the combination of the tuning
fork with the interrupted curved Solenod.
Then he went abroad and tried his dis
covery on railway bridge. With his
hammer he tried the steel rods until he
found one which under the stroke yielded
a brittle note and so gave evidence of I'M
soundness. His combination soenoid re-
stored it to its true metallic ring, and his
efforts to smash it we're unavailing.
There was no defect in his discovery,
and he at once began to study the best
means of its practical application.
He proposes soon visiting the United
States to have it taken up on a large scale.
! The adoption of it, he states, will prove
an immense economy. independently of the
fact that it will preclude serious disas-
ters.
The point of capitalization of a steel
rod is at its center of chief vibration, and
| this is generally its point of crossing with
| other rods or it's center of unsupported
weight. The coil will only be needed at
this point.
The practical meaning of the discovery
! is that on the Brooklyn bridge, for in
stance, instead of perpetually trying ana
| replacing the steel rods and bars, it will
| be sufficient to run a slight coil of wire
/ fl,o nd 10
| an electric current in these coils by con-
| Meeting them with the lighting power of
| the bridge.
For lofty buildings into which steel large
| ly enters, and for ordinary mechanical
machinery, the device can be applied with
| out trouble
Signor Faelll is sure to be greeted by
| American scientists with all the enthusi-
| asm and announcement which they lavish
| on those who do great things for the prog
ress of civilization.
| What American Engineers Think.
William Kent. NJ. E., associate editor
of the Engineering News, was asked for
| his opinion concerning Signor Faelli's dis
| covery of a method for counteracting crys-
! tallization of steel. Mr.. Kent said;
| Il am not acquainted with Signor Fael-
| Ii, but his invention is certainly within
the bounds of possibility, 1t is so very
simple that trial could easily be made
| of it. When he comes to this country I
| could suggest several very interesting ex-
| periments which he could make with his
| process. If il is all he claims for it, it
| will be of the utmost Importance"
| Frederick Hobart associate editor of the
Engineering and Mining Journal, express
ed himself in almost precisely the same
| terms as MIR. KEN He did not think it i'm
possible and is very DESTROYS of seeing il
| tried, because, as ne said if its prime pie
was true one, it would have a wide APP
| pfication in the Industrial arts. He sug-
| gested obtaining the opinion of the engin-
eering department of Columbia University.
How Bridges Collapse.
This was done. A Columbia professor,
VINO would not allow his name TO be men
| toned, however said that the phenomenon
of disqualification was one which was the
| subject of a great deal of painstaking
| study on the part of the iron constructors.
| He pointed out the great disasters of the
| Tay Bridge in Scotland and the Ashtabula
| bridge in Ohio as instances of how i'm
| portant ii is that no flaws be present in
| bridge work. That each of these was due ia
some such effect was undoubtedly true
and that the constructors of each of the
bridges thought so themselves was evinced
by the remarkable coincidence that each
of them committed suicide soon after the
two disasters took place.
But he said, in the first place that nc
| large iron CONTRACT SHOULD De carried
through unless the contractor was per
fectly sure of the soundness of every piece
I of the work. 1t was his private opinion
that no bridge ever became defective which
was perfectly sound in the first place. II
| disqualification was present in a bridge II
must have been in the pieces of steel in
the first place. Therefore, Signor Faeii's
discovery would be applicable not so much
to testing and repairing structures already
as it would for testing parts of the struc.
lures before they were placed into posi-
ton. He also did not think the process
impossible and said he could suggest q
| series of experiments Which would prove
its extreme efficacy