Here Tim, from the Control Platform, shouts that we are to get into our inflators and to bring him his at once.

We hurry into the heavy rubber suits--the engineers are already dressed--and inflate at the air-pump taps. G.P.O. inflators are thrice as thick as a racing man's "flickers," and chafe abominably under the armpits. George takes the wheel until Tim has blown himself up to the extreme of rotundity. If you kicked him off the c. p. to the deck he would bounce back. But it is "162" that will do the kicking.

"The Mark Boat's mad--stark ravin' crazy," he snorts, returning to command. "She says there's a bad blow-out ahead and wants me to pull over to Greenland. I'll see her pithed first! We wasted half an hour fussing over that dead duck down under, and now I'm expected to go rubbin' my back all round the Pole. What does she think a Postal packet's made of? Gummed silk? Tell her we're coming on straight, George."

George buckles him into the Frame and switches on the Direct Control.

Now under Tim's left toe lies the port-engine Accelerator; under his left heel the Reverse, and so with the other foot. The lift-shunt stops stand out on the rim of the steering-wheel where the fingers of his left hand can play on them. At his right hand is the midships engine lever ready to be thrown into gear at a moment's notice. He leans forward in his belt, eyes glued to the colloid, and one ear c.o.c.ked toward the General Communicator. Henceforth he is the strength and direction of "162," through whatever may befall.

The Banks Mark Boat is reeling out pages of A. B..C. Directions to the traffic at large. We are to secure all "loose objects"; hood up our Fleury Rays; and "on no account to attempt to clear snow from our conning-towers till the weather abates." Under-powered craft, we are told, can ascend to the limit of their lift, mail-packets to look out for them accordingly; the lower lanes westward are pitting very badly, "with frequent blow-outs, vortices, laterals, etc."

Still the clear dark holds up unblemished. The only warning is the electric skin-tension (I feel as though I were a lace-maker's pillow) and an irritability which the gibbering of the General Communicator increases almost to hysteria.

We have made eight thousand feet since we pithed the tramp and our turbines are giving us an honest two hundred and ten knots.

Very far to the west an elongated blur of red, low down, shows us the North Banks Mark Boat. There are specks of fire round her rising and falling--bewildered planets about an unstable sun--helpless shipping hanging on to her light for company's sake. No wonder she could not quit station.

She warns us to look out for the back-wash of the bad vortex in which (her beam shows it) she is even now reeling.

The pits of gloom about us begin to fill with very faintly luminous films--wreathing and uneasy shapes. One forms itself into a globe of pale flame that waits shivering with eagerness till we sweep by. It leaps monstrously across the blackness, alights on the precise tip of our nose, pirouettes there an instant, and swings off. Our roaring bow sinks as though that light were lead--sinks and recovers to lurch and stumble again beneath the next blow-out. Tim's fingers on the lift-shunt strike chords of numbers--1:4:7:--2:4:6:--7:5:3, and so on; for he is running by his tanks only, lifting or lowering her against the uneasy air. All three engines are at work, for the sooner we have skated over this thin ice the better. Higher we dare not go. The whole upper vault is charged with pale krypton vapours, which our skin friction may excite to unholy manifestations. Between the upper and lower levels--5000 and 7000, hints the Mark Boat--we may perhaps bolt through if... Our bow clothes itself in blue flame and falls like a sword. No human skill can keep pace with the changing tensions. A vortex has us by the beak and we dive down a two-thousand foot slant at an angle (the dip-dial and my bouncing body record it) of thirty-five. Our turbines scream shrilly; the propellers cannot bite on the thin air; Tim shunts the lift out of five tanks at once and by sheer weight drives her bullet wise through the maelstrom till she cushions with jar on an up-gust, three thousand feet below.

"Now we've done it," says George in my ear: "Our skin-friction, that last slide, has played Old Harry with the tensions! Look out for laterals, Tim; she'll want some holding."

"I've got her," is the answer. "Come up, old woman."

She comes up n.o.bly, but the laterals buffet her left and right like the pinions of angry angels. She is jolted off her course four ways at once, and cuffed into place again, only to be swung aside and dropped into a new chaos. We are never without a corposant grinning on our bows or rolling head over heels from nose to midships, and to the crackle of electricity around and within us is added once or twice the rattle of hail--hail that will never fall on any sea. Slow we must or we may break our back, pitch-poling.

"Air's a perfectly elastic fluid," roars George above the tumult. "About as elastic as a head sea off the Fastnet, ain't it?"

He is less than just to the good element. If one intrudes on the Heavens when they are balancing their volt-accounts; if one disturbs the High G.o.ds' market-rates by hurling steel hulls at ninety knots across tremblingly adjusted electric tensions, one must not complain of any rudeness in the reception. Tim met it with an unmoved countenance, one corner of his under lip caught up on a tooth, his eyes fleeting into the blackness twenty miles ahead, and the fierce sparks flying from his knuckles at every turn of the hand. Now and again he shook his head to clear the sweat trickling from his eyebrows, and it was then that George, watching his chance, would slide down the life-rail and swab his face quickly with a big red handkerchief. I never imagined that a human being could so continuously labour and so collectedly think as did Tim through that h.e.l.l's half-hour when the flurry was at its worst. We were dragged hither and yon by warm or frozen suctions, belched up on the tops of wulii-was, spun down by vortices and clubbed aside by laterals under a dizzying rush of stars in the company of a drunken moon.

I heard the rushing click of the midship-engine-lever sliding in and out, the low growl of the lift-shunts, and, louder than the yelling winds without, the scream of the bow-rudder gouging into any lull that promised hold for an instant. At last we began to claw up on a cant, bow-rudder and port-propeller together; only the nicest balancing of tanks saved us from spinning like the rifle-bullet of the old days.

"We've got to hitch to windward of that Mark Boat somehow," George cried.

"There's no windward," I protested feebly, where I swung shackled to a stanchion. "How can there be?"

He laughed--as we pitched into a thousand foot blow-out--that red man laughed beneath his inflated hood!

"Look!" he said. "We must clear those refugees with a high lift."

The Mark Boat was below and a little to the sou'west of us, fluctuating in the centre of her distraught galaxy. The air was thick with moving lights at every level. I take it most of them were trying to lie head to wind, but, not being hydras, they failed. An under-tanked Moghrabi boat had risen to the limit of her lift, and, finding no improvement, had dropped a couple of thousand. There she met a superb wulli-wa, and was blown up spinning like a dead leaf. Instead of shutting off she went astern and, naturally, rebounded as from a wall almost into the Mark Boat, whose language (our G. C. took it in) was humanly simple.

"If they'd only ride it out quietly it 'ud be better," said George in a calm, while we climbed like a bat above them all. "But some skippers--will navigate without enough lift. What does that Tad-boat think she is doing, Tim?"

"Playin' kiss in the ring," was Tim's unmoved reply. A Trans-Asiatic Direct liner had found a smooth and b.u.t.ted into it full power. But there was a vortex at the tail of that smooth, so the T. A. D. was flipped out like a pea from off a finger-nail, braking madly as she fled down and all but over-ending.

"Now I hope she's satisfied," said Tim. "I'm glad I'm not a Mark Boat... Do I want help?" The General Communicator dial had caught his ear. "George, you may tell that gentleman with my love--love, remember, George--that I do not want help. Who is the officious sardine-tin?"

"A Rimouski drogher on the look-out for a tow."

"Very kind of the Rimouski drogher. This postal packet isn't being towed at present."

"Those droghers will go anywhere on a chance of salvage," George explained. "We call' em kittiwakes."

A long-beaked, bright steel ninety-footer floated at ease for one instant within hail of us, her slings coiled ready for rescues, and a single hand in her open tower. He was smoking. Surrendered to the insurrection of the airs through which we tore our way, he lay in absolute peace. I saw the smoke of his pipe ascend untroubled ere his boat dropped, it seemed, like a stone in a well.

We had just cleared the Mark Boat and her disorderly neighbours when the storm ended as suddenly as it had begun. A shooting-star to northward filled the sky with the green blink of a meteorite dissipating itself in our atmosphere.

Said George: "That may iron out all the tensions." Even as he spoke, the conflicting winds came to rest; the levels filled; the laterals died out in long, easy swells; the air-ways were smoothed before us. In less than three minutes the covey round the Mark Boat had shipped their power-lights and whirred away upon their businesses.

"What's happened?" I gasped. The nerve-store within and the volt-tingle without had pa.s.sed: my inflators weighed like lead.

"G.o.d, He knows!" said Captain George soberly "That old shooting-star's skin-friction has discharged the different levels. I've seen it happen before. Phew: What a relief!"

We dropped from ten to six thousand and got rid of our clammy suits.

Tim shut off and stepped out of the Frame. The Mark Boat was coming up behind us. He opened the colloid in that heavenly stillness and mopped his face.

"h.e.l.lo, Williams!" he cried. "A degree or two out o' station, ain't you?"

"May be," was the answer from the Mark Boat. "I've had some company this evening."

"So I noticed. Wasn't that quite a little draught?"

"I warned you. Why didn't you pull out north? The east-bound packets have."

"Me? Not till I'm running a Polar consumptives' sanatorium boat. I was squinting through a colloid before you were out of your cradle, my son."

"I'd be the last man to deny it," the captain of the Mark Boat replies softly. "The way you handled her just now--I'm a pretty fair judge of traffic in a volt-hurry--it was a thousand revolutions beyond anything even I've ever seen."

Tim's back supples visibly to this oiling. Captain George on the c.

p. winks and points to the portrait of a singularly attractive maiden pinned up on Tim's telescope bracket above the steering-wheel.

I see. Wholly and entirely do I see!

There is some talk overhead of "coming round to tea on Friday," a brief report of the derelict's fate, and Tim volunteers as he descends: "For an A. B. C. man young Williams is less of a high-tension fool than some.

Were you thinking of taking her on, George? Then I'll just have a look round that port-thrust seems to me it's a trifle warm--and we'll jog along."

The Mark Boat hums off joyously and hangs herself up in her appointed eyrie. Here she will stay a shutterless observatory; a life-boat station; a salvage tug; a court of ultimate appeal-c.u.m-meteorological bureau for three hundred miles in all directions, till Wednesday next when her relief slides across the stars to take her buffeted place. Her black hull, double conning-tower, and ever-ready slings represent all that remains to the planet of that odd old word authority. She is responsible only to the Aerial Board of Control the A. B. C. of which Tim speaks so flippantly. But that semi-elected, semi-nominated body of a few score of persons of both s.e.xes, controls this planet.

"Transportation is Civilisation," our motto runs. Theoretically, we do what we please so long as we do not interfere with the traffic AND ALL IT IMPLIES. Practically, the A. B. C. confirms or annuls all international arrangements and, to judge from its last report, finds our tolerant, humorous, lazy little planet only too ready to shift the whole burden of public administration on its shoulders.

I discuss this with Tim, sipping mate on the c. p. while George fans her along over the white blur of the Banks in beautiful upward curves of fifty miles each. The dip-dial translates them on the tape in flowing freehand.

Tim gathers up a skein of it and surveys the last few feet, which record "162's" path through the volt-flurry.

"I haven't had a fever-chart like this to show up in five years," he says ruefully.

A postal packet's dip-dial records every yard of every run. The tapes then go to the A. B. C., which collates and makes composite photographs of them for the instruction of captains. Tim studies his irrevocable past, shaking his head.

"h.e.l.lo! Here's a fifteen-hundred-foot drop at fifty-five degrees! We must have been standing on our heads then, George."