Word: lensed
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There has been invented a new form of telescope object glass which can be transformed at will from a "photographic" to a "visual" lens by simply turning over the crown-glass lens and changing its distance from the flintglass lens. The Clarks have made for Professor Pickering a lens of...
The great thirty-six-inch lens of the Lick telescope has been successfully mounted and Supt. Floyd, Prof. Keeler and Messrs. Swazey and Clark are well pleased with the work.
Mr. Alvin G. Clark, the celebrated lens polisher of Cambridge, has arrived at San Francisco with the photographic lens for the Lick telescope on Mt. Hamilton.
A few years ago Mr. James Lick of California donated $700,000 for the purchase of a telescope that should surpass all others. The lens for that telescope is now completed, having the unparalleled aperture of 36 inches. An observatory has been build upon Mount Hamilton near San Jose, at...
Upon being questioned as to the generally supposed superiority of such an immense lens over those now in use, Mr. Clark said that many people had a very greatly exaggerated idea of what the lens was going to do. He thought that it would not materially increase our knowledge of...