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Updated: May 11, 2025
The more Huntley brooded, in this unhappy mood, over his wife's words and conduct, the denser and more widely refracting became the medium through which he saw. His pride continually excited his mind, and threw a thick veil over all the gentler emotions of his heart. He was beside himself.
Only a small part of the spectrum of a heavenly body, for instance, can be distinctly seen at one time; and a focal adjustment of half an inch is required in passing from the observation of a planetary nebula to that of its stellar nucleus. A refracting telescope loses, besides, one of its chief advantages over a reflector when its size is increased beyond a certain limit.
This done, he arranged for the loan of a large refracting telescope from a near-by observatory to be used in conjunction with the big green disk he proposed to make. Professor Standish of the college was so interested in the project that Tom invited him to the forthcoming test. Work was begun on an improvised observatory to be erected on a mountain in the Adirondacks.
When you give a present of diamonds to a lady, she is not likely to call for polarized light and refracting liquids and the rest of the circus. In ninety-nine cases out of a hundred, she will take the things on trust. Very well. You trotted off to a jeweler, and put the thing to him confidentially. I guess you suggested paste.
From this follows the most striking difference in the method of using refracting and reflecting telescopes. In the refractor the observer looks toward the object; in the reflector he looks away from it. Sir William Herschel made his great discoveries with his back to the sky. He used reflecting telescopes.
Silently and magically, by the force of desire and of pride, the refracting glass was being specially ground which would enable him, which would compel him, to see an ideal Hilda when he gazed at the real Hilda. He would not see the real Hilda any more unless some cataclysm should shatter the glass.
If a common sound, like the shriek of a steamboat's whistle, now and again soared over across the hills and fields, it was changed in that refracting atmosphere, and became a defiance at the gates of waking dream. The lives, thoughts, manners, even the open, credulous eyes of the quiet folk dwelling about the Perdu, wore in greater or less degree the complexion of the neighborhood.
He turned and, clinging to the hand rail, groped along the wall toward the daylight which stole down between the inclined leaves of the sounding-shutters. Leaning out over the precipice, he discerned beneath him a formidable array of bells hanging from oak supports lined with iron. The sombre bell metal was slick as if oiled and absorbed light without refracting it.
I saw at once that there was a signal difference in the two indications, and proceeded carefully to revise the earth-measurements. On the average of thirteen measures the halo was about 87", or nearly 1-1/2' in breadth, the disc, allowing for the twilight round its edge or limb, about 2° 50'. If the refracting atmosphere were some 65 miles in depth, these proportions were correct.
Soon afterward, namely, in 1840, the observatory at Philadelphia was supplied with a six-inch refracting telescope from Munich. German makers were now in the lead, and it was not long until a Munich instrument having a lens of eleven inches diameter was imported for the Mitchell Observatory on Mount Adams, overlooking Cincinnati.
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