This makes unnecessary all subsidiary ducts except a short one from the manhole to the nearest building in the block, and effects a considerable saving in pipe, service boxes, cables and labor.
The reel or drum carrying the cable should be mounted on wheels or jacks and placed on the same side of the manhole as the duct into which the cable is to be drawn, and must always be so placed that the cable will run off the top of the reel.
At the reel there must always be a large enough number of men to turn it and keep the cable from rubbing on anything, and in the manhole one or more men to see that the cable feeds into the duct straight and to guide it if necessary.
The rope should run through a block fastened in the manhole in such a position that the rope shall have a good straightaway lead from the mouth of the duct.
If a fault suddenly develops on a circuit, the chances are it will be found in a manhole, and an inspection of the cable in the manhole will generally reveal the trouble without resorting to locating with a Wheatstone bridge.
The manholes should have their walls built up of brick, the floors should be of concrete, and there should be an inside lid which can be fastened down and the manhole thus made water-tight.
With an instinctive movement of the hands he caught up the manhole cover, shield-like.
The officer who had detected him in the manhole would be sure to follow up a case so temptingly suspicious.
He let his knees break under him, and as he fell he saw to it that the rim of the manhole dropped into its waiting circular groove.
He felt and fondled the heavy bolts, thoughtfully, puzzled why it should be so, until he remembered seeing the half-dozen pieces of anthracite lying about the manhole on the sidewalk above.
As he passed the darkened cigar-store for the second time his foot, as though by accident, came sharply in contact with the refracting-prismed manhole cover which had sounded so hopefully hollow to his previous tread.
But perhaps the manholewould help him now to redeem himself.
Anyhow, the manhole cover had been loosened by his frequent handling.
Before going, young Captain Benson closed and locked the manhole entrance to the conning tower.
Why, I came on board, and left the manhole open for ten minutes,” answered Somers.
The discovery being made that the key was missing, one of the men broke open the trunk, and assisted by the other two, forced the body through the manhole and into the catch-basin.
Standing at the manhole he took a final look at his pet creation, the Mermaid.
Then he closed down the manhole cover and tightened the screws that held it in place.
As she had herself once said, the cistern was as dry as possible, and was in reality like a low-ceilinged little room, with the manholefor sky-light.
He went directly to the now uncovered manhole of the cistern and slowly descended a short ladder which protruded from it and had always hitherto hung upon the wall.
And the Turners' manhole must be very small, smaller than yours, maybe; because they sent Bob down to clean it, and he got stuck coming out.
Martian squeezed through the quickly opened manhole and clambered heavily to the platform.
He backed toward the open manhole of the Nomad, still grinning.
Suddenly he dived for the manhole of Mado's vessel; wriggled his way to the padded interior of the air-lock.
Concord, for especially brave and praiseworthy conduct in line of duty, hauling fires at the time of the blowing out of a lower manhole plate joint on boiler B on board of that vessel off Cavite, Manila Bay, P.
Concord, for especially brave and praiseworthy conduct in line of duty, assisting to haul fires at the time of the blowing out of a lower manhole plate joint on boiler B on board that vessel off Cavite, Manila Bay, P.
When nearing the house, it is very desirable that a manhole should be built so that if a stoppage occurs, it may be cleaned out without taking up the pipe.
He seemed to be referring to a kind of manhole cover standing on its edge just inside the open-walled first story of the cracking plant.
Pop had seen this woman come out of the manhole a couple of times and look around and then go back down and he'd got the impression she was sick and troubled.
The overloaded flier zoomed to the landing at the lofty air-lock's manhole and hovered as Darl and Angus slipped home the hooks that held it to the platform.
But the platform at the manhole entrance jutted diagonally below him, fifteen feet down and twelve along the bellying curve.
Mind that manhole lid, sir," they lowered him into the bunker.
The boatswain could get in, therefore, without coming out on deck at all; but to his great surprise he found he could induce no one to help him in taking off the manhole cover.
It was empty then, and its manhole was the foremost one in the alleyway.
They got the covers on the manhole only just in time and they all crowded into the cabin, while Jack switched on the electric lights.
The cork jackets were adjusted and Mark clamped the manhole cover on.
Then, with the two machinists, they all descended into the interior of the craft through the small manhole in the middle of the deck or platform.
The manhole cover was opened and Andy, with Jack and Mark, went out on deck.
No sooner had Jack, who was in the rear, disappeared through the manhole than the professor, with a quick jump, followed him.
The professor rushed for the manhole and soon opened it.
Mark, you clamp down the manhole cover, and Jack, after you close the conning tower station yourself at the emergency lever after we have donned the life preservers.
The manhole cover is now removed and the barrel again set revolving, by which means the contents are thrown automatically into the filter below.
Water and chlorine-producing chemicals are added--generally sulphuric acid and chloride of lime--the manhole cover is replaced and screwed down so as to be gas tight.
Piece of top ripped out from manhole and allowed manlid to blow out through manhole.
The largemanhole cut away nearly all the strength on one side, and the fastenings of the lid were not contrived to compensate at all for the loss of strength.
The screws of a manholewere loosened while the pressure remained in the boiler, and the lid was blown off.
The cause of the explosion was, the large manhole and over-pressure.
There was a large manhole for filling and emptying.
The manhole was so large, that the strength of the boiler was too much reduced, and the constant strain of revolving caused a central seam to give way at the ordinary pressure.
The cast-iron mouth-piece of manhole fractured from insufficient strength, and allowed lid and upper flange to blow off.
The manhole was of very large size and insecurely fastened, and was blown off.
On reaching the floor immediately below the kitchen he heard the tones of a violin, and when his head emerged through the manhole of the kitchen floor, he paused and listened with deep interest, for the air was familiar.
A man's theory of the world is the skylight or manhole over his work.
What concerned him most was the narrowness of the manhole or entrance at the top, and the generally dilapidated state of the whole affair.
In much perplexity he went to the upper manhole and put up one of his hands.
The head of the fourth ladder was covered with wood, through which a square manhole led to the bottom of the well.
Yet early that morning, under the very eyes of a patrolman, he had casually and hummingly entered the Postal-Union conduit, by way of the manhole not sixty yards from Broadway itself.
It was only now and then, Durkin told himself, through some sudden little explosion in the press, or through the steaming manhole of the city magistrate’s court, that these turgid and often undreamed of sewers showed themselves.
Sailing lights were turned off; the manhole cover was battened down securely.
Now, come up and get the manhole open," called the young skipper.
David Pollard, who had heard some of this talk through the open manhole as he lounged by the wheel, now called down to report: "There's some kind of a craft on the northern horizon throwing up searchlight signals.
With the greatest stealth the manhole cover was raised by Hal and Eph.
All in a twinkling, afterward, the submarine, her manhole closed, dropped down beneath the waves.
Ship the ventilators and I'll get inside, close the manhole cover and handle the boat from the conning tower.
Other workmen sprang to help in passing the pipe up through the manhole and down over the side of the hull.
As the manhole was opened Captain Jack stepped out, taking the deck wheel.
Less than sixty seconds later the ventilators had been taken in, the manhole cover was made fast, and all were below, save Bill Henderson, who sat at the tower wheel, before him an electric lighted compass.
Electric light was turned on inside the hull by the time that Jack and Hal appeared at the manhole opening.
Half an hour later Josh Owen, a peculiar, gleaming look in his eyes, showed his head at the manhole opening over their heads.
The side ports were not open, but the manhole was, and the ventilators were in place.
Inch by inch they forced the manhole covering back, and finally they emerged into the open air and closed the covering again.
A moment later they heard his call, and one by one they slipped from the alley into the big bore in the earth, the last man letting the manhole covering fall into place.
They got beneath the manhole covering and fought to get it free.
From the platform decks they waved their caps, then, one by one, disappeared through the tower, the manhole cover being pulled down after them.
Accordingly the ventilators were shipped, all hands went below, and the conning tower manhole was closed.
In another moment the tower manhole was opened, and Jack Benson, with a wave of the hand, stepped out, his bathing suit changed for his uniform.
Then, the manhole being closed, the submarine began to sink.
Then the manhole was opened, and an interested crowd hurried out on deck.
An instant later he opened the manhole of the tower, allowing all hands to step out on deck.
Then, as the manhole cover was raised, Eph Somers stepped into view at the steering wheel.
I suppose he opened the manhole cover, and rose to the surface," hazarded Mr. Melville.
At this moment themanhole cover of the conning tower was raised.
Besides, sir, at a depth of seventy feet, the pressure of the water is such that it would be sheer impossibility to raise the manhole cover.
Not until they were in sight of the little harbor was the manhole opened.
We could not keep our eyes off that heap, and should have fainted in another second had not Harrington himself appeared out of the manhole with his face just like beef and bleeding, and his hands like turkeys' claws.
We opened the manhole cover to the for'ard boiler compartment, more steam and smoke came swishing out, and in the middle of it crawled out a stoker, with his face and arms terribly scalded.
