Abstract
F. W. SOHON, S.J., director of the Seismological Observatory of Georgetown University, has written a very valuable book. This is a method of representing a solid body (usually figures on the surface of a sphere) on a plane, the centre of projection being a point on the surface of a sphere, and the whole sphere being represented once on an infinite plane. The projection has the merit that circles are represented as circles and that angles are retained. The book was not intended by the author to be exhaustive, but it contains a good selection of proofs, some by vector methods, and explicit applications to many problems including some in astronomy, hydrodynamics and seismology.
The Stereographic Projection
By F. W. Sohon. Pp. ix + 210. (Brooklyn, N.Y.: The Chemical Publishing Co., Inc., 1941.) 4 dollars.
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T., E. The Stereographic Projection. Nature 148, 37 (1941). https://doi.org/10.1038/148037a0
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DOI: https://doi.org/10.1038/148037a0