The Mount Holly news. [volume] (Mount Holly, Burlington Co., N.J.) 1891-1942, 1911-10-17
WHEEL PROBLEMS.
Does the Edge of the Wheel RsveIvs
Around the Axle2

Does the Edge Of the Wheel ReveIvs
Around the Axls7
1.-THE wheel that turns under the
locomotive or the car has long and
queer history" says a writer in the
Railroad Mans Magazine, ''but the
mystery is still with us and whirls its
hundred question marks before our
eyes every minute Of the day.
"Of course every one believes that
the edge of the wheel goes around the
axle. But does It? Take the end Of
any spoke near the tire or any part Of
the tire and on still, MINDLESS night
fasten candle to it; then back OF till
nothing can be seen but that candle
fame.
Let the wheel revolve slowly, free
from the ground The candle fame
makes a circle of fire all right and
goes around the. axle. Now lower the
wheel until it rests on the ground and
start ahead. The fame suddenly stops
going in circle and begins to make
a wavy line, first high and then low.
II goes around nothing at all.
Men with clear minds can perform
the experiment satisfactorily by tying
a handkerchief around the tire In day
light, but to do this takes a keen math-
ematical Imagination, because the eye
Is confused by other moving objects
and Is not able to see the handkerchief
free from these other influences
AT night the candle flame alone can
be seen, so that is perhaps the best
time to try the matter out. Tie q
torch to locomotive driver and then
send the engine slowly back and forth
while the. observer is OF some hundred
feet distant in the dark. The torch
does not move in circle. It simply
goes ahead somewhat like flying ma
chine rising and falling in the wind.
coming to dead stop at its lowest
point and going twice as fast as the
engine when at its highest point
1.-THE fact that the bottom Of an
engine wheel always stands still Is
more easy to learn than the fact that
the top Of the wheel moves just twice
as fast as the train. but this can be
proved easily with piece Of board.
Take piece Of board. say, ten feet
long and lay one end ON top OF the
wheel. Now move the engine forward
two feet and you will and that the
board has gone ahead four feet. just
twice as far as the engine. Lay down
the board and de two pieces of string
to the wheel. one at the top and the
other at the bottom. where rests on
the ground Now run your engine for
ward two feet and see what happens.
The bottom string has moved forward,
too. but not nearly so far as has the
top piece Of string. although the ends
were even at the star"
seidPs Silent Tongue.
One Of the most striking anecdotes
told In Hermann Klein's Thirty
Years Of Musical Life In London re-
lates to Anton Seidl's first interview
with Wagner In the library at Wahn-
fried Seidl found the room dark.
and, imagining nobody was there. he
pulled out bis letter Of introduction
and began silently rehearsing the
speech be had prepared Suddenly
from out OF the gloomy corner Wag.
ner appeared. and Seidl was so nerv-
GUS that be could not bring out sem
tence OF his speech. This proved to
be his salvation. for Wagner. deelars
ing IF you can work as wen as you
can hold your tongue you VIII do"
engaged him on the spot