CHAPTER V

WE INSPECT A NOVEL AERIAL INVENTION

“You must understand,” said the lieutenant, “that from the moment I

decided to undertake this adventure I began preparing my ‘sinews of

war’. I calculated that an isolated people like the Tcha would be

greatly impressed by our wonderful modern inventions. Also I figured

that many things might be collected by me which would assist in the

difficult task of penetrating a hostile territory and climbing the

almost inaccessible mountains leading to the hidden city. Fortunately I

was stationed last summer for more than a month at Washington, where I

confided my plans to my uncle, Simeon Wells, and had many long

conversations with him as to a proper equipment for this difficult

undertaking. His cleverness in electrical matters was of great

assistance to me, for his famous storage battery, combining tremendous

power with light weight, will enable me to carry some important devices

into the very heart of the wilderness. Also my uncle knew of several

recent inventions of which I was myself ignorant, and through his

influence I managed to secure them. Here, for instance, is an important

example.”

With this he took from a chest a curious contrivance that seemed to us

like a cross between a rubber air-cushion and an undershirt. As Allerton

explained the thing, it was to be worn by pulling it on over the head

and allowing it to loosely cover the body from the neck down to the

thighs. It was composed of two layers of thin, ribbon-like tissue, and

could be inflated like a balloon.

“This strap,” explained Allerton, “is for attaching to your left side a

small metal case—here is one—containing the crystals of themlyne. By

pouring a little water upon the crystals, through the valve, a very

volatile but powerful gas is created, called ‘theml,’ which inflates the

garment. Chaka will put one on, so you may see exactly how it works.”

The Maya immediately complied, slipping the rubber arrangement over his

head and putting his arms through the holes provided for that purpose.

He then attached the metal case, which I think was aluminum, and

supplied the themlyne crystals with water. At once the gas began rushing

into the queer garment, which became inflated until Chaka’s upper half

was puffed out in a ludicrous manner. He turned off the gas, then, and

cast an inquiring glance at Allerton.

“Instead of weighing some one hundred and eighty pounds, as he did a

while ago,” announced the lieutenant, “Chaka is now but little heavier

than air itself.”

To verify this the Maya leaped lightly to the cabin table, bounding back

to the floor again with the resilience of a rubber ball.

“In climbing mountains,” explained Allerton, “as well as in descending

precipices and the like, this inflated garment will prove invaluable. It

is not made of rubber, as perhaps you imagine, but of a new and

wonderful material as tough as steel, and as impenetrable. It is a

recent scientific discovery to be used in making unpuncturable

automobile tires, and I am the first person who has ever adapted it to

any other purpose. The gas-jacket, as I call it, was suggested by Uncle

Simeon, and I immediately appreciated its value. There are ten of them

in this chest, each fitted with a themlyne tank for inflating it. Now I

will demonstrate its most important use. If Chaka lets a little more gas

into the jacket it will carry him off his feet.”

Chaka did this, slowly rising like a balloon to the ceiling of the

cabin, but remaining upright because his legs anchored him in a

perpendicular position. He now touched a valve which released a certain

portion of the gas and enabled him to descend again to the floor.

“As the jacket is ordinarily worn,” said Allerton, “the idea is to

retain enough weight in your body to enable you to control all your

motions, at the same time reducing your weight to the extent of

preventing fatigue. I could leap over a precipice in that jacket and

alight at the bottom uninjured. If I wished to escape an enemy, I could

soar into the air, out of reach.”

He took out his pocket knife and asked me to slash or prick the

gas-jacket which Chaka was wearing; but the material resisted all my

attempts.

“I doubt,” remarked Allerton, “if a bullet at close range would

penetrate it; I have never tried the experiment, but where we are going

there are no bullets used by the natives.”

We were all filled with wonder at this curious contrivance.

“How much gas will that little case of crystals generate?” I asked.

“Enough to inflate the jacket a half dozen times,” he replied. “But I

have an ample supply of themlyne crystals in another chest, to replenish

the cases when necessary.”

“Won’t any other gas do?” inquired Archie.

“Not so well. And no other gas can be procured so quickly and easily as

themlyne.”

“Of course, when the stuff is gone the jackets are useless,” suggested

Joe.

“Yes; but we do not expect to use much gas except in case of emergency.

At such times we are sure to find the jackets very useful. There is an

appliance I myself have invented to attach to the fully inflated

garments, which will render them equal to aeroplanes, and much more

reliable and safe,” continued Allerton.

He motioned to Chaka, who took from the chest two objects that resembled

closed Japanese fans, which the native first buckled to either side of

his gas-jacket and then thrust his arms through a series of catgut

loops. Allerton had to assist him in this, as the bulky jacket kept

Chaka from using his hands to good advantage. When all was ready, the

Maya raised his arms and showed himself possessed of wings. As his arms

hung down by his sides the wings remained closed; as he raised them the

fans unfolded. They were made of a material similar to that of the

jacket.

“We have not had much opportunity to experiment with these wings,”

admitted the lieutenant. “They may prove awkward, at first, and perhaps

unaided would not carry one far into the air. But when one has ascended

to an altitude by means of the inflated jacket the wings should enable

him to direct his course, and to soar with the wind, or tack as a ship

does, for long distances.”

“I can’t see much practical use in all these fixin’s,” remarked Uncle

Naboth. “Seems to me you ain’t goin’ to Yucatan to do circus acts or to

knock out the Wright brother, but jest to fight a lot o’ Injuns an’ grab

some gold an’ things. Could you carry much of a load through the air in

them jackets?”

“I fear not,” admitted Allerton, gravely. “As I before stated, one of my

ideas is to impress the natives with the wonders of our modern

civilization.”

“Well, it orter do that, all right. It’s impressed me,” said Uncle

Naboth.

The Boy Fortune Hunters in Yucatan · 第 5 / 28 章