Tom Swift And His Air Glider
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9 TOM SWIFT AND HIS AIR GLIDER
or
Seeking the Platinum Treasure
By
VICTOR APPLETON
CONTENTS
I A Breakdown
II A Daring Project
III The Hand of the Czar
IV The Search
V A Clew from Russia
VI Rescuing Mr. Petrofsky
VII The Air Glider
VIII In a Great Gale
IX The Spies
X Off in the Airship
XI A Storm at Sea
XII An Accident
XIII Seeking a Quarrel
XIV Hurried Flight
XV Pursued
XVI The Nihilists
XVII On to Siberia
XVIII In a Russian Prison
XIX Lost in a Salt Mine
XX The Escape
XXI The Rescue
XXII In the Hurricane
XXIII The Lost Mine
XXIV The Leaking Tanks
XXV Homeward Bound--Conclusion
TOM SWIFT AND HIS AIR GLIDER
CHAPTER I
A BREAKDOWN
"Well, Ned, are you ready?"
"Oh, I suppose so, Tom. As ready as I ever shall be."
"Why, Ned Newton, you're not getting afraid; are you? And after you've
been on so many trips with me?"
"No, it isn't exactly that, Tom. I'd go in a minute if you didn't have
this new fangled thing on your airship. But how do you know how it's
going to work--or whether it will work at all? We may come a cropper."
"Bless my insurance policy!" exclaimed a man who was standing near the
two lads who were conversing. "You'd better keep near the ground, Tom."
"Oh, that's all right, Mr. Damon," answered Tom Swift. "There isn't any
more danger than there ever was, but I guess Ned is nervous since our
trip to the underground city of gold."
"I am not!" indignantly exclaimed the other lad, with a look at the
young inventor. "But you know yourself, Tom, that putting this new
propeller on your airship, changing the wing tips, and re-gearing the
motor has made an altogether different sort of a craft of it. You,
yourself, said it wasn't as reliable as before, even though it does go
faster."
"Now look here, Ned!" burst out Tom. "That was last week that I said it
wasn't reliable. It is now, for I've tried it out several times, and
yet, when I ask you to take a trip with me, to act as ballast--"
"Is that all you want me for, Tom, to act as ballast? Then you'd better
take a bag of sand--or Mr. Damon here!"
"Me? I guess not! Bless my diamond ring! My wife hasn't forgiven me for
going off on that last trip with you, Tom, and I'm not going to take any
more right away. But I don't blame Ned--"
"Say, look here!" cried Tom, a little out of patience, "you know me
better than that, Ned. Of course your more than ballast--I want you to
help me manage the craft since I made the changes on her. Now if you
don't want to come, why say so, and I'll get Eradicate. I don't believe
he'll be afraid, even if he--"
"Hold on dar now, Massa Tom!" exclaimed an aged colored man, who was an
all around helper at the Swift homestead, "was yo' referencin' t' me
when yo' spoke?"
"Yes, Rad, I was saying that if Ned wouldn't go up in the airship with
me you would."
"Well, now, Masa Tom, I shorely would laik t' 'blige yo', I shore would.
But de fack ob de mattah am dat I has a mos' particular job ob white
washin' t' do dish mornin', an' I 'spects I'd better be gittin' at it.
It's a mos' particular job, an', only fo' dat, I'd be mos' pleased t'
go up in de airship. But as it am, I mus' ax yo' t' 'scuse me, I really
mus'," and the colored man shuffled off at a faster gait than he was in
the habit of using.
"Well, of all things!" gasped Tom. "I believe you're all afraid of the
old airship, just because I wade some changes in her. I'll go up alone,
that's what I will."
"No, I'll go with you," interposed Ned Newton who was Tom's most
particular chum. "I only wanted to be sure it was all right, that was
all."
"Well, if you've fully made up your mind," went on the young inventor, a
little mollified, "lend me a hand to get her in shape for a run. I
expect to make faster time than I ever did before, and I'm going to head
out Waterford way. You'd better come along, Mr. Damon, and I'll drop you
off at your house."
"Bless my feather bed!" gasped the man. "Drop me off! I like that, Tom
Swift!"
"Oh, I didn't mean it exactly that way," laughed Tom. "But will you
come."
"No, thanks, I'm going home by trolley," and then as the odd man went in
the house to speak to Tom's father, the two lads busied themselves about
the airship.
This was a large aeroplane, one of the largest Tom Swift had ever
constructed, and he was a lad who had invented many kinds of machinery
besides crafts for navigating the upper regions. It was not as large as
his combined aeroplane and dirigible balloon of which I have told you in
other books, but it was of sufficient size to carry three persons
besides other weight.
Tom had built it some years before, and it had seemed good enough then.
Later he constructed some of different models, besides the big
combination affair, and he had gone on several trips in that.
He and his chum Ned, together with Eradicate Sampson, the colored man,
and Mr. Damon, had been to a wonderful underground city of gold in
Mexico, and it was soon after their return from this perilous trip that
Tom had begun the work of changing his old aeroplane into a speedier
craft.
This had occupied him most of the Winter, and now that Spring had come
he had a chance to try what a re-built motor, changed propellers, and
different wing tips would do for the machine.
The time had come for the test and, as we have seen, Tom had some
difficulty in persuading anyone to go along with him? But Ned finally
got over his feeling of nervousness.
"Understand, Tom," spoke Ned, "it isn't because I don't think you know
how to work an aeroplane that I hesitated. I've been up in the air with
you enough times to know that you're there with the goods, but I don't
believe even you know what this machine is going to do."
"I can pretty nearly tell. I'm sure my theory is right."
"I don't doubt that. But will it work out in practice?"
"She may not make all the speed I hope she will, and I may not be able
to push her high into the air quicker than I used to before I made the
changes," admitted Tom, "but I'm sure of one thing. She'll fly, and she
won't come down until I'm ready to let her. So you needn't worry about
getting hurt."
"All right--if you say so. Now what do you want me to do, Tom?"
"Go over the wire guys and stays for the first thing. There's going to
be lots of vibration, with the re-built motor, and I want everything
tight."
"Aye, aye, sir!" answered Ned with a laugh.
Then he set at his task, tightening the small nuts, and screwing up the
turn-buckles, while Tom busied himself over the motor. There was some
small trouble with the carburetor that needed eliminating before it
would feed properly.
"How about the tires?" asked Ned, when he had finished the wires.
"You might pump them up. There, the motor is all right. I'm going to try
it now, while you attend to the tires."
Ned had pumped up one of the rubber circlets of the small bicycle wheels
on which the aeroplane rested, and was beginning on the second, when a
noise like a battery of machine guns going off next to his ear startled
him so that he jumped, tripped over a stone and went down, the air pump
thumping him in the back.
"What in the world happened, Tom?" he yelled, for he had to use all his
lung power to be heard above that racket. "Did it explode?"
"Explode nothing!" shouted Tom. "That's the re-built motor in action."
"In action! I should say it was in action. Is it always going to roar
like that?"
Indeed the motor was roaring away, spitting fire and burnt gases from
the exhaust pipe, and enveloping the aeroplane in a whitish haze of
choking smoke.
No, I have the muffler cut out, and that's why she barks so. But she
runs easier that way, and I want to get her smoothed out a bit.
"Whew! That smoke!" gasped his chum. "Why don't you--whew--this is more
than I can stand," and holding his hands to his smarting eyes, Ned,
gasping and choking, staggered away to where the air was better.
"It is sort of thick," admitted Tom. "But that's only because she's
getting too much oil. She'll clear in a few minutes. Stick around and
we'll go up."
Despite the choking vapor, the young inventor stuck to his task of
regulating the motor, and in a short while the smoke became less, while
the big propeller blades whirled about more evenly. Then Tom adjusted
the muffler, and most of the noise stopped.
"Come on back, and finish pumping up the tires," he shouted to Ned. "I'm
going to stop her now, and then I'll give her the pressure test, and
we'll take a trip."
Having cleared his eyes of smoke, Ned came back to his task, and this
having been finished, Tom attached a heavy spring balance, or scales, to
the rope that held the airship back from moving when her propellers were
whirling about.
"How much pressure do you want?" asked Ned.
"I ought to get above twelve hundred With the way the motor is geared,
but I'll go up with ten. Watch the needle for me."
It may be explained that when aeroplanes are tested on the earth the
propellers are set in motion. This of course would send a craft whizzing
over the ground, eventually to rise in the air, but for the fact that a
rope, attached to the craft, and to some stationary object, holds it
back.
Now if this rope is hooked to a spring balance, which in turn is made
fast to the stationary object, the "thrust" of the propellers will be
registered in pounds on the scale of the balance. Anywhere from five
hundred to nine hundred pounds of thrust will take a monoplane or
biplane up. But Tom wanted more than this.
Once more the motor coughed and spluttered, and the big blades whirled
about so fast that they seemed like solid pieces of wood. Tom stood on
the ground near the levers which controlled the speed, and Ned watched
the scale.
"How much?" yelled the young inventor.
"Eight hundred."
Tom turned on a little more gasolene.
"How much?" he cried again.
"Ten hundred. That'll do!"
"No, I'm going to try for more."
Again he advanced the spark and gasolene levers, and the comparatively
frail craft vibrated so that it seemed as if she would fly apart.
"Now?" yelled Tom.
"Eleven hundred and fifty!" cried Ned.
"Good! That'll do it. She'll give more after she's been running a while.
We'll go up."
Ned scrambled to his seat, and Tom followed. He had an arrangement so
that he could slip loose the retaining rope from his perch whenever he
was ready.
Waiting until the motor had run another minute, the young inventor
pulled the rope that released them. Over the smooth starting ground that
formed a part of the Swift homestead darted the aeroplane. Faster and
faster she moved, Ned gripping the sides of his seat.
"Here we go!" cried Tom, and the next instant they shot up into the air.
Ned Newton had ridden many times with his chum Tom, and the sensation of
gliding through the upper regions was not new to him. But this time
there was something different. The propellers seemed to take hold of the
air with a firmer grip. There was more power, and certainly the speed
was terrific.
"We're going fast!" yelled Ned into Tom's ear.
"That's right," agreed the young inventor. "She'll beat anything but my
Sky Racer, and she'd do that if she was the same size." Tom referred to
a very small aeroplane he had made some time before. It was like some
big bird, and very swift.
Up and onward went the remodeled airship, faster and faster, until, when
several miles had been covered, Ned realized that the young inventor had
achieved another triumph.
"It's great, Tom! Great!" he yelled.
"Yes, I guess it will do, Ned. I'm satisfied. If there was an
international meet now I'd capture some of the prizes. As it is--"
Tom stopped suddenly. His voice which had been raised to overcome the
noise of even the muffled motor, sounded unnaturally loud, and no
wonder, for the engine had ceased working!
"What's the matter?" gasped Ned.
"I don't know--a breakdown of some kind."
"Can you get it going again?"
"I'm going to try."
Tom was manipulating various levers, but with no effect. The aeroplane
was shooting downward with frightful rapidity.
"No use!" exclaimed the young inventor. "Something has broken."
"But We're falling, Tom!"
"I know it. We've done it before. I'm going to volplane to earth."
This, it may be explained, is gliding downward from a height with the
engine shut off. Aeroplanists often do it, and Tom was no novice at the
art.
They shot downward with less speed now, for the young inventor had
thrown up his headplanes to act as a sort of brake. Then, a little later
they made a good landing in a field near a small house, in a rather
lonely stretch of country, about ten miles from Shopton, where Tom
lived.
"Now to see what the trouble is," remarked our hero, as he climbed out
of his seat and began looking over the engine. He poked in among the
numerous cogs, wheels and levers, and finally uttered an exclamation.
"Find it?" asked Ned.
"Yes, it's in the magneto. All the platinum bearings and contact
surfaces have fused and crystallized. I never saw such poor platinum as
I've been getting lately, and I pay the highest prices for it, too. The
trouble is that the supply of platinum is giving out, and they'll have
to find a substitute I guess."
"Can't we go home in her?" asked Ned.
"I'm afraid not. I've got to put in new platinum bearings and contacts
before she'll spark. I only wish I could get hold of some of the better
kind of metal."
The magneto of an aeroplane performs a service similar to one in an
automobile. It provides the spark that explodes the charge of gas in the
cylinders, and platinum is a metal, more valuable now than gold, much
used in the delicate parts of the magneto.
"Well, I guess it's walk for ours," said Ned ruefully.
"I'm afraid so," went on Tom. "If I only had some platinum, I could--"
"Perhaps I could be of service to you," suddenly spoke a voice behind
them, and turning, the youths saw a tall, bearded man, who had evidently
come from the lonely house. "Did I hear you say you needed some
platinum?" he asked. He spoke with a foreign accent, and Tom at once put
him down for a Russian.
"Yes, I need some for my magneto," began the young inventor.
"If you will kindly step up to my house, perhaps I can give you what you
want," went on the man. "My name is Ivan Petrofsky, and I have only
lately come to live here."
"I'm Tom Swift, of Shopton, and this is my chum, Ned Newton," replied
the young inventor, completing the introductions. He was wondering why
the man, who seemed a cultured gentleman, should live in such a lonely
place, and he was wondering too how he happened to have some platinum.
"Will that answer?" asked Mr. Petrofsky, when they had reached his
house, and he had handed Tom several strips of the precious silverlike
metal.
"Do? I should say it would! My, but that is the best platinum I've seen
in a long while!" exclaimed Tom, who was an expert judge of this metal.
"Where did you get it, if I may ask?"
"It came from a lost mine in Siberia," was the unexpected answer.
"A lost mine?" gasped Tom.
"In Siberia?" added Ned.
Mr. Petrofsky slowly nodded his head, and smiled, but rather sadly.
"A lost mine," he said slowly, "and if it could be found I would be the
happiest man on earth for I would then be able to locate and save my
brother, who is one of the Czar's exiles," and he seemed shaken by
emotion.
Tom and Ned stood looking at the bearded man, and then the young
inventor glanced at the platinum strips in his hand while a strange and
daring thought came to him.
CHAPTER II
A DARING PROJECT
While Tom and his chum are in the house of the Russian, who so strangely
produced the platinum just when it was most needed, I am going to take
just a little time to tell you something about the hero of this story.
Those who have read the previous books of this series need no
introduction to him, but in justice to my new readers I must make a
little explanation.
Tom Swift was an inventor, as was his father before him. But Mr. Swift
was getting too old, now, to do much, though he had a pet
invention--that of a gyroscope--on which he worked from time to time.
Tom lived with his father in the village of Shopton, in New York state.
His mother was dead, but a housekeeper, named Mrs. Baggert, looked after
the wants of the inventors, young and old.
The first book of the series was called "Tom Swift and His Motor-Cycle,"
and in that I related how Tom bought the machine from a Mr. Wakefield
Damon, of Waterford, after the odd gentleman had unintentionally started
to climb a tree with it. That disgusted Mr. Damon with motor-cycling,
and Tom had lots of fun on the machine, and not a few daring adventures.
He and Mr. Damon became firm friends, and the oddity of the
gentleman--mainly that of blessing everything he could think of--was no
objection in Tom's mind. The young inventor and Ned Newton went on many
trips together, Mr. Damon being one of the party.
In Shopton lived Andy Foger, a bullying sort of a chap, who acted very
meanly toward Tom at times. Another resident of the town was a Mr.
Nestor, but Tom was more interested in his daughter Mary than in the
head of the household. Add Eradicate Sampson, an eccentric colored man
who said he got his name because he "eradicated" dirt, and his mule,
Boomerang, and I think you have met the principal characters of these
stories.
After Tom had much enjoyment out of his motor-cycle, he got a motor
boat, and one of his rivals on Lake Carlopa was this same Andy Foger,
but our hero vanquished him. Then Tom built an airship, which had been
the height of his ambition for some years. He had a stirring cruise in
the Red Cloud, and then, deserting the air for the water, Tom and his
father built a submarine, in which they went after sunken treasure. In
the book, "Tom Swift and His Electric Runabout," I told how, in the
speediest car on the road, Tom saved his father's bank from ruin, and in
the book dealing with Tom's wireless message I related how he saved the
Castaways of Earthquake Island.
When Tom went among the diamond makers, at the request of Mr. Barco
Jenks, and discovered the secret of phantom mountain the lad fancied
that might be the end of his adventures, but there were more to follow.
Going to the caves of ice, his airship was wrecked, but he and his
friends managed to get back home, and then it was that the young
inventor perfected his sky racer, in which he made the quickest flight
on record.
Most startling were his adventures in elephant land whither he went with
his electric rifle, and he was the means of saving a missionary, Mr.
Illingway and his wife, from the red pygmies.
Tom had not been home from Africa long before he got a letter from this
missionary, telling about an underground City in Mexico that was said to
be filled with gold. Tom went there, and in the book, entitled, "Tom
Swift in the City of Gold," I related his adventures.
How he and his friends were followed by the Fogers, how they eluded
them, made their way to the ruined temple in a small dirigible balloon,
descended to the secret tunnel, managed to turn aside the underground
river, and reach the city of gold with its wonderful gold statues--all
this is told in the volume.
Then, after pulling down, in the centre of the underground city, the big
golden statue, the door of rock descended, and made our friends
prisoners. They almost died, but Andy Foger and his father, in league
with some rascally Mexicans and a tribe of head-hunters, finally made
their way to the tunnel, and most unexpectedly, released Tom and his
friends.
There was a fight, but our hero's party escaped with considerable gold
and safely reached Shopton. Now, after a winter spent in work, fixing
over an old aeroplane, we again meet Tom.
"Would you mind telling me something about where this platinum comes
from, and if you can get any more of it?" asked Tom, after a pause,
following the strange statement made by the Russian.
"I will gladly tell you the story," spoke Mr. Petrofsky, "for I am much
interested in inventions, and I formerly did something in that line
myself, and I have even made a small aeroplane, so you see I know the
need of platinum in a high power magneto."
"But where did you get such pure metal?" asked Tom. "I have never seen
it's equal."
"There is none like it in all the world," went on the Russian, "and
perhaps there never can be any more. I have only a small supply. But in
Siberia--in the lost mine--there is a large quantity of it, as pure as
this, needing only a little refining.
"Can't we get some from there?" asked the young inventor eagerly. "I
should think the Russian government would mine it, and export it."
"They would--if they could find it," said Ivan Petrofsky dryly, "but
they can't--no one can find it--and I have tried very hard--so hard, in
fact, that it is the reason for my coming to this country--that and the
desire to find and aid my brother, who is a Siberian exile."
"This is getting interesting," remarked Ned to Tom in a low voice, and
the young inventor nodded.
"My brother Peter, who is younger than I by a few years, and I, are the
last of our family," began Mr. Petrofsky, motioning Tom and Ned to take
chairs. "We lived in St. Petersburg, and early in life, though we were
of the nobility, we took up the cause of the common people."
"Nihilists?" asked Ned eagerly, for he had read something of these
desperate men.
"No, and not anarchists," said Mr. Petrofsky with a sad smile. "Our
party was opposed to violence, and we depended on education to aid our
cause. Then, too, we did all we could in a quiet way to help the poor.
My brother and I invented several life-saving and labor-saving machines
and in this way we incurred the enmity of the rich contractors and
government officials, who made more money the more people they could
have working for them, for they made the people buy their food and
supplies from them.
"But my brother, and I persisted, with the result that we were both
arrested, and, with a number of others were sent to Siberia.
"Of the horrors we endured there I will say nothing. However, you have
probably read much. In the country near which we were quartered there
were many mines, some of salt and some of sulphur. Oh, the horrors of
those mines! Many a poor exile has been lost in the windings of a salt
mine, there to die miserably. And in the sulphur mines many die also,
not from being lost so much as being overcome by stifling gases. It is
terrible! And sometimes they are purposely abandoned by their guides,
for the government wants to get rid of certain exiles.
"But you are interested in platinum. One day my brother and I who had
been sent to work in the salt mines, mistook a turning and wandered on
and on for several miles, finally losing our way. We had food and water
with us, or we would have perished, and, as it was, we nearly died
before we finally found our way out of an abandoned opening.
"We came out in the midst of a terrible snowstorm, and wandered about
almost frozen. At last we were found by a serf who, in his sled, took us
to his poor cottage. There we were warmed and fed back to life.
"We knew we would be searched for, as naturally, our absence would lead
to the suspicion that we had tried to escape. So as soon as we were
able, we started back to the town where we were quartered. The serf
wanted to take us in his sled, but we knew he might be suspected of
having tried to aid us to get away, and he might be arrested. So we went
alone.
"As might have been expected, we became lost again, and wandered about
for several days. But we had enough food to keep us alive. And it was
during this wandering that I came upon the platinum mine. It was down in
a valley, in the midst of a country densely wooded and very desolate.
There was an outcropping of the ore, and rather idly I put some of it in
my pockets. Then we wandered on, and finally after awful suffering in
terrific storms, were found by a searching party and brought back to the
barracks."
"Did they think you had escaped?" asked Tom.
"They did," replied the Russian, "and they punished us severely for it,
in spite of our denials. In time I managed secretly to smelt the
platinum ore, and I found I had some of the purest metal I had ever
seen. I was wishing I could find the mine, or tell some of my friends
about it, when one of the officers discovered the metal in my bed.
"He demanded to know where I had gotten it, and knowing that refusal
would only make it the worse for me I told him. There was considerable
excitement, for the value of the discovery was recognized, and a search
was at once made for the mine.
"But, even with the aid we were able to give, it could not be located.
Many expeditions went out to hunt for it but came back baffled. They
could not penetrate that wild country."
"They should have used an aeroplane," suggested Tom.
"They did," replied the Russian quickly, "but it was of no use."
"Why not?" the young inventor wanted to know.
"Because of the terrific winds that almost continually sweep over that
part of Siberia. They never seem to cease, and there are treacherous air
currents and 'pockets' that engulfed more than one luckless aviator. Oh,
you may be sure the Russian government spared no means of finding the
lost platinum mine, but they could not locate it, or even get near the
place where they supposed it to be.
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