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All the world knows it!" he shouted as Corbett entered, and he grasped him by the hand and wrung it hardly. "What has come?" gasped the visitor. "What has come, man! All we had hoped for or dreamed of and more! Why, look! Look for yourself!" He dragged Corbett to the eye-piece of the great telescope and made him look.
Each observer at the telescopes gave a furtive glance at the un-sunlike sun, moved the dark eye-piece from the instrument, replaced it by a more powerful white glass, and prepared to see all that could be seen in two minutes forty seconds. They must note the shape of the corona, its color, its seeming substance, and they must look all around the sun for the 'interior planet.
Forthwith, the budding astronomer left the lathe where he was busy turning an eye-piece from a cocoa-nut shell, and, like a good son and brother as he always was, hurried off to Holland and thence to Hanover. No Dietrich was anywhere to be found.
In appearance, this marvel of micrology, so far as the eye-piece and upper portions went, was like an ordinary microscope, but its magnifying power was to me unbelievable. It magnified the object under examination many thousand times more than the most powerful microscope in the world.
"No, my boy, once for all you do not; and if you take up any telescope, and remove the eye-piece before looking along the tube, you will see that your eyes will not penetrate the glass at the end. Then if you try the eye-piece alone, you will find that you cannot even look through that. How much less then will you be able to look through both at once." "But it seems so strange, uncle.
In truth, I should say that the various disadvantages due to the atmosphere deprive the astronomer of at least one-half of the available light-collecting power of his telescope, and consequently of the defining power of the eye-piece; that with a 200 glass he sees less than a power of 100 reveals to an eye situated in space; though, from the nature of the lens through which I looked, I cannot speak with certainty upon this point.
I put my eye to the eye-piece and gazed through the bulging lens of the other end. I could see almost the whole hall. "That," he explained, "is what is known as a fish-eye lens a lens that looks through an angle of some 180 degrees, almost twice that of the widest angle lens I know of." I said nothing, but tossed my own crude invention into the corner, while Craig went back to work.
Lassell looks in at the side of his reflecting telescopes by means of a diagonal eye-piece; when the instrument is pointed at objects of high altitude he hangs a ladder upon the dome and mounts; the ladder moves around with the dome. Mr. Lassell works only for his own amusement, and has been to Malta, carrying his larger telescope with him, for the sake of clearer skies. Neither Mr.
"None," he replied, shaking his head. "Look for yourself." I took his place at the eye-piece, and was almost startled to find the little coppery star, which I had seen half-an-hour before, apparently quite near, and transformed into a large globe. It resembled a gibbous moon, for a considerable part of its disc was illuminated by the sun.
But at the loud crackle and flash of the fusee, and Smith's gesture to lay it close to the eye-piece, they turned and fled yelling once more into the houses on either side, from which now came an addition to the noise, in the shrill howls and shrieks of women, who were evidently resenting the invasion of all these men. "Now, walkee far," cried Ching. "No good no mo'. Allee fun lun out.
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