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"What does he want, Jack?" said I. "I don't remember to have seen him, and I'll tell you right now that the old squirts on the 411 are good enough for me I ain't got time to monkey with new-fangled injectors on that run." "Why, he says he knowed you out West fifteen years ago." "So! What kind o' looking chap is he?" "Youngish face, John; but hair and whiskers as white as snow.
The steam injectors produce excellent heats, but are rather intermittent in their action, and the steam they require is a serious item, and not always available.
As I put down my name and the number of the crack engine of America as well as the imprint of a greasy thumb on the register of our roundhouse last Saturday night, the foreman borrowed a chew of my fireman's fine-cut, and said to me: "John, that old feller that's putting on the new injectors wants to see you."
The deepening drum of the steaming engine as it entered the gorge walls, the straining of the injectors, and the frequent hissing check of the air as the powerful machine restrained its moving load, was music to the tired listener above. Then, looming darkly behind the tender, surprising the onlookers, even Glover himself, came the real train.
The flow of the tar is regulated by the very delicate sluices attached to the injectors. These valves consist of elongated cones and plugs, and are constructed not only for the purpose of regulating the flow of tar, but also for removing any obstruction or incrustation which may accumulate in the nozzle. The steam pipe is simply passed through the tar pipe, and a steam trap attached to its end.
I should mention that the injectors are fitted on the furnace doors; but the connections are of such a nature that the doors can be opened without disturbing any of the permanent fittings. And now I have told you that the results detailed in this short paper were those obtained in the Dundee gas works.
Being of an inquisitive turn of mind, I asked him a great many questions about gauges, valves, oil cups, eccentrics, injectors, etc., and whenever he would go down under his engine, I always paid the closest attention to what he did. I used to ride on the right hand side of the cab with him, and occasionally he would allow me to feel the throttle for a few minutes.
The boiler pressure is 140 lb., and the tractive power per lb. of mean cylinder pressure 92 lb. The total wheel base is 17 ft. 6 in. The boiler, which is fed by two injectors, is of steel, 11 ft. 5 in. long and 4 ft. 2 in. diameter. The grate area is 17.3 square feet, and the heating surface is, in the tubes, 1,083; fire-box, 117; total, 1,200 sq. ft.
Looking on uninterruptedly! for there is no pressure, and henceforward the place will be thronged with gazers who will take from the sight its suggestiveness and respect. Three years ago, when little Willie Lincoln died, Doctors Brown and Alexander, the embalmers or injectors, prepared his body so handsomely that the President had it twice disinterred to look upon it.
"Now, I'm goin' to Californ', next month, and if you get so as you can tell when you've got enough liquor without waiting for it to break your injectors, I'll ask the old man to let you finger the plug on Old Baldy whilst I'm gone. But I'm damned if I don't feel as if you was like that measly old 19 jest fit to be jacked up to saw wood with."
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