Evening star. [volume] (Washington, D.C.) 1854-1972, 1873-11-18
LOCAL NEWS


The srss % Prof. Peppers osar-s % lectnre.
On the " RomAncecr Light and soandH wss DE-
aired ef anxious s-esers After kne -ieare, vhich
evsn the severe inclemency OF the sestner conld
sc' rseyen. from coming. Toe professor began
ser ms used IN explaining the theory Of lishf A.
IHse, refers 20 that picture which rcnsins upon
The eye As loes ss it y before -, sss~.. refers
object V renewed. LsgAf, he exp.sin.i- vs. az
three kinds, w-ich 20 snable IN, aaAienr, tee
better TO understand, he turned do.n the eas.
ipstratsd he mes ming In speaking d nshf =.
eosmentsl, or from the heavenly hofies. fsrres-
tai or artificial, and secondary or reflected The
bon fame, magnesium and CON mon ,orch name =.
and the reflection OF light through a Get OF water
and IRON closed tubes which hsd been held slOse
70 hsme et magnesium wire. BY various.
Simple yet enective experiments, he shovel the
ertct Of different lights upon oolors from which
he passed 70 Illustrations OF ths-~sse-theorv Of
hsht, BY means Of light passing through . body
was made % shoe the regular courepfIve
waves. which the professor observed were -ev-
ersl hundred milliors more times . second In
the nght Itself, but lust as regular and perfect
To the great number Of waves REQUIRED I'M pro
duofng violet light, the professor sscribed the
danger IN eyes OF that color. At beast
be offered the theory for consideration
tie then showed on the screen the figure OF a
man sitting in bis bones as good Sidney Smith
wished he might do on a hot day. BY q COM
mon pnenOmcna OF iignt. toat OF tue Image o
an object remaining upon the eve nntil dis.
placed by one Immediately following. the skel b
eton was made 20 Perform various lively AMI
amusing antics for the edihcatiOn OF the audi
ence. This was followed by the "photodromei'
or flight runner" which the Professor claimed
as something unique and peculiarly his own. ! =
consisted OF revolving wheel, on which
bright light was thrown through spaces in a
smaller revolving wheel, until the larger upon
which the light fell in successive flashes, ap-
pesred 70 stand perfectly still. This expert
ment was received with repeated applause. He
spoke Of the various theories OF light from that
OF lmpedicles, 400, n. u, OF It's atomic compost
ton, and the Newtonian theory OF its material
nature, passing directly through the retina
which conveyed the sensation % the brain down
% the modern wave theory OF light, conducted
by IN subtle medium OF ethe1, electricity IL
conveyed by the magnetic current Science l.
after all but what l. known mp % the present
hour, and scientists weuld do well 20 learn by
the failure OF long adopted theories, how Inn
pruoent IL II 70 dosmatse upon the subject OF
their research. Waves Of hight passing through
perfectly tight but Transparent vessels the lee
turer illustrated by the sound OF a music bON
passing through a tight case, and rerected or
reyerberated upon q sounding board. These
were followed by exhibitions OF the "severed
head" and the ghost which phenomena he
left 20 the intelligence Of the audience % es-
plain
The lecture was a pleasing one, and Illus
rated By various appropriate apparatus and
beautiful experiments. The aromanceu of
light was Illustrated in the little story OF ssthe
conspiracy against the dukes life ana the
moving Of the head lon plate glass; on the order
OF the magician, and in the ghost" being the
unsubstantial and counterfeit presentiment OF a
beautiful woman, through the instrumentality
also Of plate glass.