New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1896-05-06
THE ELECTRICAL DISPLAY.
MINIATURE NIAGARA THE ATTRACTION
OF THE EXPOSITION.
MAX osrERBERc LECTURES ON THE RoENrGEN

MAX OSTERBERG LECTURES ON THE ROENTGEN
RAY-MR DEPEw TO SEND MESSAGE
AROUND THE WoRID-DEIEGArEs MEET.
Increased attendance marked the second night of
the National Electric Exposition. organized In
necton with the nineteenth convention OF the Ma
tsonal Electric Light Association Throughout the
day visitors arrived the Grand Central Palace.
Lexington-ave and Forty-third-st.. and last even
ing the chain OF halls crowded. The work of
arranging the power plant and putting 1t into full
operation pushed forward throughout the day.
and 1t was expected by Clarence f. Stump. general
manager, to be in working shape soon. In order
to display the wonders of all the exhibits.
central object of interest 20 the spectators last
night was the model of the power plant at Niagara
Falls. accompanied by telephone reproduction of
the roar of the cataract. The curren; which
the model in motion generated from Niagara
Falls and transmitted 1862 miles to the Grand Cen
trail Palace a Western Union wire. Those
who hoped to see the Edison and Tesla exhibits in
full operation were disappointed. owing TO the fail
ure of the power plant 10 perform its whole func-
ton.
In the auditorium the seventh floor arrange
ments were made for a lecture The R0ntgen
Ray" by Max Osterberg, fellow Of Columbia Uni
versity The stage was equipped with a complete
and elaborate electrical apparatus designed to give
a practical demonstration of the X ray. The mys-
ferrous violet ray was shown in its curious work.
ngs, and explained detail by the lecturer. He
referred to the ray as "a connecting link between
the cXactness OF natural philosophy and the invau-
able study of human anatomy"
"R0ntgen rays" said the lecturer, ARE found to
travel in straight lines Professor R0ntgen has dis
covered only small amount of reflection, and for
several weeks it generally Claimed that there
was no reflection. 1t Is certain however, that the
rays cannot as yet be refracted Thus. they cannot
be focused Ike light rays, and any picture which
is made a sensitized plate will not be photo
graph In the true Of the word. which means
the fixing of real image. II will simply be
shadow picture. Thus 1t happens that the bones of
the human hand be plainly shown. since the
flesh is more transparent to R0ntgen rays than the
bones; but by over-eXposng plate you can mako
the bones disappear, too, and If any solid sub
stance harder or denser Is inside the bone, 1t Will
then be easily discovered"
The speaker said in conclusion: I'VE stand before
period, or perhaps right in the midst of 1t.
where every thinking mind should fee, that ours
should be period of progress that before this
century closes some Of the secrets Of nature should
reveal themselves to US"
Manager Stump announced last evening that
Chauncey NJ Depew would be present at the EXPOSE
ton probably a week from Saturday to give
sage which would be from end OF the main
balcony around the world 5000 miles. and received
at the opposite end OF the balcony In the Grand
Central Palace Mr.. Depew VIII deliver address
on that occasion the subject. Electricity Down
10 Date" In which he will refer to the future Of
electricity as motive power upon the railroads OF
the country.
The delegates TO the convention OF the National
Electric Light Association. under the auspices OF
which the exhibition was organized. held their first
business session yesterday morning. Tho, delegates
represent 1900 electrical. firms IN all pSrls OF the
country with aggregate capitalization OF $4,000.
90 The session 10 begin at ll:2O. but 1t was at
least an hour later when the members we're called