The times. [volume] (Washington [D.C.]) 1897-1901, 1901-02-17

| sto,, a., ,,,..., 49,.
,,,,,,,,,..e, was prdeu
Araso' amfere' Sturgeon
""u naue IL possible TO co
ii'o mechanicai energy
| - '"''us types hau neeh invented
'"e p'ssioiiits OF using the new sour
| p'"s' TOT running machinery, cars, b
| e'e-' was iuhy recognized Several
'e"p's Ma" oeeh niade 10 DO these thi
~ '"e s'eaa Gust Oh producing the
rent py means OF battery stood In
way OF success. Another epoch-mak
discovery was necessary, namely, ms
ing mechanical energy into electricity
ms was supplied ps the genius OF Mich
aei r''''aaF' VINO had succeeded pavy in
.ne fsoyai institution AT London In 49,
raraday discovered induction, the key to
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,r,.-.aa " '.e mus, Important points the
- 'iu "ii'io'pa'e tue Eng
NAN century elapsed
- " peoonie CONNER
or" y i''possio,e IN
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with numerous notifications and i'm
provements, has come into extensive ,,se In
all parts of the world. No other applica-
versal use and none has contributed more
to the comfort of life.
Viii. ., C ,o,,,,,a.s ,,,,o .h,. .,,
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IF this article forbid their consideration
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Welded results of great scientific and soma
practical value The application or ,bs
theory OF interference by Thomas Young.
The publication of Helmboltz's great work
the ..Tonempfindungen in which HE
theory of harmony was first fulIv nre-
;ented: the publication Of Lord .R,v-
eieh's treatise: the invention and ron
truction by KONG Of acoustic apnara,us
he best EXAMPLE vet furnished of sc,a,-
ific handicraft: all OF these mark ir,,o,
ant advances. not only in acoustics b,,+
n general physics as well. The pho1au,o-
-raph of Scott and Kouip hv wbi..
.raphic record of the vibrations ~ tn.
ocal chords Was made nossib,a MO-,
eniously converted bv Edison ;n,o
peech recording and reproducing ma
hine. the monograph, by which the most
Marvellous results are accomplished In the
implest possible manner
The century Is also to he credited y,,,
ne discovery and DEVELOPMENT of the a.,
( photography which. although No, n,
ne first importance has contributed r,uch
, the pleasure of life and as an aid IN
rientife Investigation has hacon,, ou;,.-