ONE of the greatest difficulties encountered in the study of spherical and astronomy is to obtain a proper comprehension of the various circles of the celestial sphere, without which the solution of ...
IN the issue of NATURE published on October 24 last (vol. cii., p. 155), there appeared an account of an ingenious chart devised by Mr. G. W. Littlehales, of the United States Hydrographic Department, ...
TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...
If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...
Rev. in 1880, under the direction of the Bureau of navigation. Navy Department. Rev. in 1903, under the direction of the Bureau of Equipment, Navy Department. Revised in 1880 by P.H. Cooper and in ...
https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!199425~!0#focus ...
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