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Updated: June 16, 2025
And, then, it is as if a delicate finger traced out the line to be occupied by the spinal column, and moulded the contour of the body; pinching up the head at one end, the tail at the other, and fashioning flank and limb into due salamandrine proportions, in so artistic a way, that, after watching the process hour by hour, one is almost involuntarily possessed by the notion, that some more subtle aid to vision than an achromatic, would show the hidden artist, with his plan before him, striving with skilful manipulation to perfect his work.
Chester More Hall was, however, equally indifferent to fame and profit, and took no pains to make his invention public. The effective discovery of the achromatic telescope was, accordingly, reserved for John Dollond, whose method of correcting at the same time chromatic and spherical aberration was laid before the Royal Society in 1758.
Along with this I purchased every possible accessory, drawtubes, micrometers, a camera-lucida, lever-stage, achromatic condensers, white cloud illuminators, prisms, parabolic condensers, polarizing apparatus, forceps, aquatic boxes, fishing-tubes, with a host of other articles, all of which would have been useful in the hands of an experienced microscopist, but, as I afterwards discovered, were not of the slightest present value to me.
And, then, it is as if a delicate finger traced out the line to be occupied by the spinal column, and moulded the contour of the body; pinching up the head at one end, the tail at the other, and fashioning flank and limb into due salamandrine proportions, in so artistic a way, that, after watching the process hour by hour, one is almost involuntarily possessed by the notion, that some more subtle aid to vision than an achromatic, would show the hidden artist, with his plan before him, striving with skilful manipulation to perfect his work.
If the production of a perfect crystalline lens in the eye you know not how as much indicated design as did the production of a Dollond achromatic lens you understand how then why does not "the swelling out" of a particular portion of the membrane behind the iris caused you know not how which, by "correcting the errors of dispersion and making the image somewhat more colorless," enabled the "young animals to see more distinctly than their parents or brethren," equally indicate design if not as much as a perfect crystalline, or a Dollond compound lens, yet as much as a common spectacle-glass?
Instead of the oscillations being observed through the microscope, they are projected upon a divided screen forming a dial, the division of which is seen by transmitted light. The apparatus consists of a small achromatic objective placed at the extremity of the tube of a microscope, in which there is a divided screen that receives the enlarged image of the reticule fixed upon the needle.
Good-bye, Model of all the Virtues! We can spare you now. A little clear perfection, undiluted with human weakness, goes a great way. Go! be useful, be honorable and honored, be just, be charitable, talk pure reason, and help to disenchant the world by the light of an achromatic understanding. Good-bye! Where is my Béranger? I must read "Frétillon." Fair play for all.
Good-bye, Model of all the Virtues! We can spare you now. A little clear perfection, undiluted with human weakness, goes a great way. Go! be useful, be honorable and honored, be just, be charitable, talk pure reason, and help to disenchant the world by the light of an achromatic understanding. Goodbye! Where is my Beranger? I must read a verse or two of "Fretillon." Fair play for all.
But whatever "Home Rule" may or may not mean, I went to Ireland, not to find some achromatic meaning for a prismatic phrase, which is flashed at you fifty times in England or America where you encounter it once in Ireland, but to learn what I could of the social and economical condition of the Irish people as affected by the revolutionary forces which are now at work in that country.
And, then, it is as if a delicate finger traced out the line to be occupied by the spinal column, and moulded the contour of the body; pinching up the head at one end, the tail at the other, and fashioning flank and limb into due salamanderine proportions, in so artistic a way that, after watching the process hour by hour, one is almost involuntarily possessed by the notion that some more subtle aid to vision than the achromatic lens would show the hidden artist, with his plan before him, striving with skilful manipulation to perfect his work.
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