The New York herald. [volume] (New York, N.Y.) 1920-1924, 1922-10-19
Continued from First Page.

the pieces and bark flying. and caused a
strip OF tungsten to be dsspated in
stantly into gas. In another laboratory
DR.. Irving Langmuir showed him the
small vacuum tube which is being used
experlmentally at Radio Central, on
Long Island. II Is thought to be capable
OF doing the work of an ordinary alter
nator weighing ten tons. In the after
noon, after luncheon, as Mr.. Edison was
eager for more. he was guided TO other
rooms. where secrets not yet publicly
limited at were exposed.
II have seem" he said in the end,
many things Some | was familiar
with and some | was not
Mr. Edison came to Schenectady yes
terday with his wife and son Charles,
and forgot his usual bedtime last night
rs he talked beside a fire with Dr. Lang
muir. He was welcomed at the plant
this morning by Gerard Swope, the new
president of the General Electric Com
pany f. w. Rice, Jr.. honorary chair
man of the board of directors; George
MORRISON. vice-presldent in charge Of the
Edison lamp works; A. w Burchard,
president Of the international General
Electric Company; H. f. L. Erben.
works manager, and others. They at
once went into the research laboratory,
where notable tests are under way. with
DR.. w. r. whitney the director, as
guide and with studio lights set up in
every room for camera men grinding
pictures for the companys records.
Even Sees the Unseen.
Workmen in overalls managed to get
a good look at tho famous visitor and
Ill. Al Il. -. tf.aA In.
the basement Edison saw tungsten being
manipulated under a heat of $500 de-
grees +. after passing tanks Of liquid
air, coolest substance. In DR.. Langmulr's
own laboratory he chuckled over the
largest incandescent lamp in the world
100000 candle power-made OF pyreX
glass. In the radio room Chester Rice
exhibited a mechanical device which
duplicates so that all may see the other
wise unseen waves of radio.
Takes the place Of mathematics,
doesn't it?''~Yas Mr.. Edison's comment
here. The most powerful simplifying
electron tube that he saw was of twenty
kilowatts. Next they ushered the in
vcntor to DIR. Hoxie's laboratory, where
the machine that transfers the human
voice to ceIluloid film and pours it out
again. was turning silently.
talk into 1t and in an hour we'll let
you hear your own voice." said DR.,
Hoxie.
mo, sir said Mr.. Edison, laughing,
II won't even talk into a photograph.
SO his son read a message prepared by
the father into the horn. After luncheon
they heard it reproduced.
How do you get sucn = good sound?"
said the man who developed the phono-
graph "selenium cell?'
mo" DIR. Hoxie said. "Electrons it's
done by an electron tube"
The company's own description of the
pablo photophone follows. as prepared by
Louis IT. Robinson of the general engi-
neering laboratory:
1.-THE record is made by causing the
sound waves to produce vibrations on an
exceedingly minute and very delicate
mirror. A beam Of ligl. reflected by
this mirror strikes a Photographic film
which is kept in continuous motion. The
film when developed showsfa band of
white with delicate markings on the
edges which correspond to the sound
which has been reproduced.
Corresponds to Original.
ION account of the exceedingly small
size of the mirror. it's low Inertia. Sc,
II is possible by this means to pr, duce