The sun. [volume] (New York [N.Y.]) 1833-1916, 1878-06-09

English patent for ten cents that will show how
foolish, are his pret"rccs to the discovery Of
the microphone II you take the. shilling
lincc ana this nail bus incss that he talks about.
IL will give sound. but it viii not repre-
scnt the original sound. BY means
Of the carbon We reproduce the original sound,
the Gcraping of the finger nail the rustlng Of
pat or. ~. The discovery that have made and
patented consists in finding some material that
should hc propOrtionate 10 the sound wnvcs:
That was my discovery, II has been published
IN thousands Of Journals for the last two years.
aud in some OF the very English scientific Jour
nals that now parade lIughes's discovery.
Tnry ought To- read thcir own newspapers 10
see how foolish are Hughess rretensiQns.
Here. FOR instance. is my claim. published in
this country April lG 1873:
In the --latest form Of tra1sner which Mr. Edison has
atorthcr 20 having been found TINT much better
& IN f., paec WIZ" w rS e I'D H''S 6sn n dspsr"s s
,hg ATTENUATION produced ~ the tsseiyer Is more or
vibrating dish occasions ~ ne pressure and which
arr1ngnnon b"yc,er the ar,icuiaion is 5" clear and
exceedingly wei rendered that n whisper even may
readily he transmitted aud understood The inhcNibc
comparatively large area concentrate on.i.crahc
g"ion Of M sonoro9s waves upon the small carbon
any given ,nort on Che part Of the ,leskes Is thus
only IT'S small surface alone were used.
Vow. compare this with Hughes's claim,
published in London on May Q, 1873, over n
month later:
It will be seem however that in the experiments
made by myself the diaphragm has been aU1cthcr dis
caricd resting docs upon the changes prouccd by
molecular action and that The vibrations IN the strengths
81 the cur, nts flowing produced simply and solely
By tile direct eject OF the sonorous vibrations
"Compnrc again my invention ms described
In the Scientific American, rs follows:
By constant experimenting. however. Mr. Edison nj
lcngh made thc troverN that when properly prepared.
carbon possessed the remarkable property OF changing
h.. resistance wItl pressure
with Hughes's claim. published month later.
us follows.
It's quite evident ihnt these effects are due IN differ.
c pressure the different points OF contact and
That they are dependent for the perfection Of action upon
The number of these points OF contact
81 had arranged with Prof. Langley Director
Of the Allegheny Observatory. in Pennsylvania.
to Use my carbon telephone rs "a heat measure,
and an apparatus for that purpose was cxhih-
tied some six months ago. and at his request |
WIS engaged to perfect machine for m"tsur-
ing an iuintrsimHl amount Of heat. This ~
To he used in Determining tho different degrees
Of hout in the solar spectrum. and the appa-
rutus has hrcn shown to many scientific men
In my laboratory in the last six months. | eX-
perimrntel with ii before n number of sccn-
u mon attending the Academy Of Science at
Washington on the 10Th vi April"
The hour Tor the reporter 10 leave camo all
too soon. and MS he went from the laboratory he
heard Mr.. L lison saying to his associate, Mr..
Batehclor. Let EN- steal the microphone IL they
viii that is only ono little thing. Before an
other two years 10 10y III give EN- phones and
graphs enough TO mako 'cm sick"