DIY History | Transcribe | Scholarship at Iowa | Theory of least squares applied to the problems arising in our observatory by Arthur George Smith, 1895 | Theory of Least Squares Applied to the Problems Arising in our Observatory by Arthur George Smith, 1895, Page 74

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Theory of least squares applied to the problems arising in our observatory by Arthur George Smith, 1895

Theory of Least Squares Applied to the Problems Arising in our Observatory by Arthur George Smith, 1895, Page 74

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[page]69[/page] [picture of circle: line A bisects the circle horizontally, line beta bisects the circle vertically, and line c is parallel to the right of line beta (line c is shorter than the others and does not bisect the circle)] Micrometer Arrangement of wires in field of instrument. A fixed transverse, or guiding wire. B fixed wire at right angles to wire A. C movable wire parallel to wire B.