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Updated: June 1, 2025
The framing consists of an upper and lower frame of cast iron, bound together by eight malleable iron columns: upon the lower frame the pillow blocks rest which carry the cylinder trunnions, and the condenser and the bottom frame are cast in the same piece.
It further differs from a long-gun, in working with a joint and bolt underneath, instead of the short arms or trunnions at the sides. Its carriage, likewise, is quite different from that of a long-gun, having a sort of sliding apparatus, something like an extension dining-table; the goose on it, however, is a tough one, and villainously stuffed with most indigestible dumplings.
There was some justification for Kim he had kicked Lala Dinanath's boy off the trunnions since the English held the Punjab and Kim was English.
At the moment when the mine exploded, the monitor was just about to fire her 15-inch bow gun; but the catastrophe of course threw everything into confusion, and the weapon, flung from its trunnions in the very act of firing, discharged its deadly missile high into the air, where it exploded, sending out a blaze of flame like a miniature firework display.
By the help of the village carpenter, a strong rough stand was connected with the beam formerly used to bear the sails of the mill, the trunnions were fitted to a strong iron ring by the smith, and one evening the great telescope was hung in its place, and in spite of its weight, moved at the slightest touch, its centre of gravity having been so carefully calculated that it swung up and down and revolved with the greatest ease.
Desirous of having the advantage of a Reflecting Telescope of large aperture, I constructed one of twenty-inches diameter. In order to avoid the personal risk and inconvenience of having to mount to the eye-piece by a ladder, I furnished the telescope tube with trunnions, like a cannon, with one of the trunnions hollow so as to admit of the eye-piece.
A. It is very doubtful whether the steam trunnions of a high pressure oscillating engine will continue long tight if the packing consists of hemp; and it appears preferable to introduce a brass ring, to embrace the pipe, cut spirally, with an overlap piece to cover the cut, and packed behind with hemp. Q. How is the packing of the trunnions usually effected?
The bottom of the trunnion packing space is contracted to the diameter of the eduction pipe, so as to prevent the packing from being squeezed into the jacket; but the eduction pipe does not fit quite tight into this contracted part, but, while in close contact on the lower side, has about 1/32nd of an inch of space between the top of the pipe and the cylinder, so as to permit the trunnions to wear to that extent without throwing a strain upon the pipe.
Now then, let's get on with our work." "I suppose then now we're ready?" said Tom. "Far from it," replied his uncle; "are you going to hold up a twelve-foot tube to your eye, and direct it to a star? The next thing is of course to mount it upon trunnions, and arrange that it shall turn upon an axis, so that we can sweep in any direction." The longest tasks come to an end.
Dresel employs an apparatus such as represented in Figs. 1 and 2, consisting of an upright cylindrical reservoir, A, supported on a frame by means of trunnions, z.
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