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Cuspidal Envelope Rosettes
First Paragraph: | A point P moves in the line segment EG, Fig. 1, with simple harmonic motion of p cycles, while this segment makes q revolutions about A with uniform angular speed. Moritz has exhaustively treated the ...
A Fifty-Foot Mercury Telescope
First Paragraph: | Some months ago the press brought the great news that a monster telescope, 50 feet in diameter, was being projected on an entirely novel and reliable principle, such that its construction would not only ...
The Tangent of 2X
First Paragraph | The object of this article is to show an interesting and practical application of one of the well-known formulas of trigonometry that appear to be so dry and valueless to the student who must memorize ...
First Paragraph: | In this age of large telescopes that are all exclusively photographic and devoted to the detailed analysis of the heavenly bodies, it would seem that visual observations and comprehensive surveys had ...