00000009_1.htm

2 FUNDAMENTAL [OH,

velocity of propagation of homogwunnw pluno mid in

commonly called the velocity of light; wo HhiUUwmtw it to lw
a constant, although in the mont rucont HiK«wltttioiw it in tmittti

as variable*,

Some of the modern writers on tht* ittwty of itrffttivity
maintain that the introduction of the M«i of lui author in
unnecessary und mialoading. Their iw» dliwtoJ

chiefly against the popular conception of fcfaa wthw titt a kind
of fluid or elastic solid whioh can bo iw pm**tii*Uy

stationary while material and electrified titwti thnmgh

it, This idea has been wry helpful iw it «» with

a vivid picture of the proct»0s whioh tnuy bn to

place, it also has the advantage that with ito wtt wa wii
a meaning to the term ataoluto motton» bill Urn ita

weakness. Laxmor, Lorente and Bivuitom in

that the differential equations of th« «f

a group of transformations whioh can be to

that there fo no such thing AH

•' If tibia b^ admitted! the poputar of tho k>

' as inoorr^ct, aw,d so if wt to liwi tif a

to ab * wi*

that the wn ma

(1),
tfei idea of a in tit

of at *

»elvta We w*f of tit

as,a bollectum of or to tin

'^ti'Cte of letter as in tho of tat

developed by Sir and 1* E ;



	2 FUNDAMENTAL [OH, velocity of propagation of homogwunnw pluno mid in commonly called the velocity of light; wo HhiUUwmtw it to lw a constant, although in the mont rucont HiK«wltttioiw it in tmittti as variable, Some of the modern writers on tht ittwty of itrffttivity maintain that the introduction of the M«i of lui author in unnecessary und mialoading. Their iw» dliwtoJ chiefly against the popular conception of fcfaa wthw titt a kind of fluid or elastic solid whioh can bo iw pm*tiiUy stationary while material and electrified titwti thnmgh it, This idea has been wry helpful iw it «» with a vivid picture of the proct»0s whioh tnuy bn to place, it also has the advantage that with ito wtt wa wii a meaning to the term ataoluto motton» bill Urn ita weakness. Laxmor, Lorente and Bivuitom in that the differential equations of th« «f a group of transformations whioh can be to that there fo no such thing AH •' If tibia b^ admitted! the poputar of tho k> ' as inoorr^ct, aw,d so if wt to liwi tif a to ab * wi* that the wn ma our in in fcfe© (1), tfei idea of a in tit of at * »elvta We wf of tit as,a bollectum of or to tin '^ti'Cte of letter as in tho of tat developed by Sir and 1 E ;

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