New-York tribune., 1910-02-13
Do You Know? Psfbses Ps5bses You You Do Ben,t

W. are med u the sound Il the
w hu-n4- r . IS reproduced bv the tele-
--l-e OF uh.- Nh. but 70 hear i coming
IN the rnIG-- . The intense heat ot an electric
&c would IN be a novelty. But. strange
IS = nav se,-. .. ordinary arc light can be
-zie III ne 81 simple arrangement, not
c-vt0talk t.- laugh. sing reproduce music
e INV sort .- -- DO al that may right
July be expr. --1 . well framed phono-
-ac1
Il tl-st sig.. .---arerv seems 10 present
5--e s-a--l--.- ties The street corners
---t atva-- -r t,a made distributing
.=--e-s ot re. formation of general IN
'---. Thu -.a carly evening. later, on
inner nigh -.- III concerts could be
--a- ter III Il the Cty - large NtlI
-.- pe-ta- mall hours Of the morning,
----1g -e-u- ---tureS. coming as i were
- u the o.. -ht he followed by wave
----L r.
.rt In. .- is q seductive one. Other
-- g--at,- --1es suggest themselves
--e. tu- .---a-elv fOr al OF thcm the
lIE a-. .. ----guragIng handicap Il
ra-y Wt-- After careful training and
-'-- n. --t-.l-s circumstances i may
.-e-l,-e- gl 10 bc heard bv q room
T-1T- .e difficulties are such that
l-l.- rect lamps VII ever bc-
-. The --reus--E .utellcctual--as
Us t--.
3. u--. atre-. i l. -r-lkI-lg and us
simple II order To- under
-- e. -.- .- what The general con
we know them N the
-v The most salient t.ct Is
- le-a.- - .--g d small Fraction II o1
.-.. energy i Icing liberated
-a-e -. % horsepower or more.
result -e-- ts-uI5eraturc We have
been -.- n IN the nclghbor-
-g -z .-~,.. degrees Fahrenheit,
-Ce-- Is g. region q intensely
.el
..wr- underwood that III lncroase
Tie --- .-.e. tE~-.e .r. would IN gen
mean cease .- rs temperature, and
.--=- .- t.. gaseous ,nNclop-
-.e = tendency IS gases 2. expand ol
ling Universe S. --r-e soy - l-In1uutlon
----e-r q -l-- --.. ~ current ,an be
-e pen asu rapid .- .gh. the arc
ae g--e .-- IL music j note, due
-e-..- --e vibrations g.. me heated gas
be -a5 d sound W@Ec To sur
.-i,-g
-1.s q. 81, made use ot IL the peak
F arc -.u II winch WAS due to
mon. 4 .-- trausnli,ter is connected
--es .-erv and The primary circuit
sr1a. -r.er The secondary circuit
"a. Is te-- --ecrcd each t. a carbon of
--,-t l-r. which Is rln on Al rather
sa.,ar hundred and twenty. and
-ra"- r.t Il flames Tho con-
lon is .-rluuaue. hoWovcr. but IS
te1 tE ..---.u ~ q condenser which
.-s1 O. ltse - a. steady current,
-. "-- .--.U aIrcrnat-p-ls oT NaTIa-
LIS "1 .-n.rt,T is talked OF played
'es rlug current arises III the
--rE ---e~ circuit. Just as II the
---eTs t... ---, and tins ha- The sane
'-g-'. .. mon as the voice OT musical
= lH -eLv increases and dITnIrl-
>-g.'.. IN g---r-rlf IN the arc. ana
@ I-e 3. -. nd. as explained Both III
-l'E -. would he like the original
--t es-- -.l current that arises IN
rendered more elective by
a-e electrical oscillations or
- and -.-- 81 current N the circuit
-a-s.n--. -..r.er and arc. II bcst
s'er .re -r5l small. and the
-..- arise II The arc are
-,e .r1Tre6 T. applT the time
tt .- -.- Importance ct small
f..a-. itacli j. u tenn
r'e .t.a.e hundred degree
5--.'it ID. computed change ot
-yie'--e .-. O.. flo --p,rrgsed currents IS
-- .tr9.. degree Bur though the heated
~ ' he heating and cooling
-s ' mount. and undergoing
P'Hs,. --.r. expansions and goutrac-
ts- ' ..eu1 - cause "a sound
ar --.5 1uaE he heard bv q
" fe Il K bagvsoA