Evening star., 1922-09-02

phoning that was going on In the
sanatorium. And I knew that the
| local police Of Montrose and every
other town about US were being in-
| formed Of the escape. They were re-
quired by the law to render all
possible assistance, and. as the coun-
| try boasted several institutions quite
| on a par with Belleclaire, an at
! tempt at an escape was not an un-
usual occurrence.
The post road by which we had
come was therefore impossible and
Kennedy swung into the country In
| the hope Of throwing off pursuit long
| enough to give US a better chance.
Take the wheel. Walter" he NUT
| tered. TN tell you what turns to
make. We must get to the state line
of New York without being stopped.
We can beat almost any car. But
( that is not enough. telephone
message ahead may stop us unless
We can keep from being seen
! took the wheel and did not stop
| the car as Kennedy climbed over the
/ seat In the back of the car. where
Mrs. Cranston was sitting, he hastily
! adjusted the peculiar apparatus.
| Sounds at night are very hard to
locate" he explained. Up this side
road, Walter: there is some one COM
I ing ahead of u.s."
! / turned and shot up the detour,
| stopping in the shadow OF some
trees, where we switched of every
\ light and shut down the engine.
Kennedy continued to watch the In
| strument before him.
What is it?" I whispered.
"A phonometer." he replied. at
was invented to measure the tnten-
sity of sound. But it is much more
valuable as an instrument that tells
with precision from what direction
sound comes. 1t needs only
ried around easily. The sound en-
| ters the two horns Of the phonome-
| ter, is focused at the neck and
| strikes on a delicate diaphragm be
phragm vibrates and the needle
moves. The louder the sound the
| greater the movement of this needle
"At this end. where II looks as
| though were sighting like a sur
veyor. I am gazing into lens, with
| tiny electric bulb close to my eye.
The light of this bulb is reflected in
mirror which is moved by the NOV
| ing needle. When the sound is loud
! est the two horns are at right angles
| to the direction whence 1t comes.
| So it is only necessary to twist the
! phonometer about on its pivot until
the sound is received most loudly
| in the horns and the band Of light
is greatest. i know then that the
horns are at right angles to the
| direction from which the sound pro-
| ceeds and that, as I lift my head.
/ am looking straight toward the
source OF -the sound; I can tell Its
direction to a few degrees"
I looked through 1t myself to see
how sound was visualized by light.
"Hush.' cautioned Kennedy.
| Down on the main road we could
| see car pass along slowly IN the
| had come. without the phonometer
! to warn u.s. It must inevitably have
| met US and blocked our escape over
! the road ahead.
The danger passed, on We sped
| should cross the state line to New
! York and safety.
We had been going along nicely
| when Bang" came loud report back
| of US.
\ "a blowout always when you least
expect IT."
We climbed out of the car and had
/ the shoe off in short order.
| Look! cried Janet Cranston. In a
frightened voice. from the back Of the
| car.
The light of the phonometer had
flashed up. A car was following US
| There's just one chance" cried
| Kennedy, springing to the wheel
! 1--WE might make it on the rim"
Banging and pounding, we forged
ahead straining our eyes to watch
| the phonometer all at once.
! 1t was no use. A big gray road
ster was overtaking us. The driver
/ crowded US over to the very edge OF
! the road, then shot ahead, and, where
| the road narrowed down, deliberately
! pulled up across the road in such q
/ way that we had to run into him oil
| stop.
| Quickly Craigs automatic CLEANED
| in the dim beams from the side
lights. ..,,.,o o,o.
| 'It was a plot against me quite a:
much as 1t was against her-ths
| nurse to lead me on while the doc.
tor got rich patient. I suspected
you the card. I knew you didn't
come from Burr Then. when I heart
nothing from you, I let the Gile.
| woman think I was coming to Mon
trose to be with her. But really
wanted to beat that fake asylum
Two piercing headlights shone dowr
the road back of us. We waited
moment until they. too, came to 8
stop.
of a man as he jumped out. followed
lby woman.
Kennedy stepped forward. waving
his automatic menacingly.
you are under arrest for con
spiracy-both OF you" he cried. as w
recognized DIR. Burr and Miss Giles.
| A little cry behind me startled nj
flung herself into the arms Of thu
only person who could heal hei
wounded soul.