THE Admiralty Manual of Compass Deviation with its auxiliary Eiemenatry Manual would, after some lapse of time, appear to have been turned to good account by teachers of navigation. The small volume ...
IN this small treatise the Deviation of the Compass in iron ships is professedly dealt with as a matter of observation, and distinct generally from magnetic science and the mathematical investigations ...
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 ...
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