THE title of the work under notice is a little mis leading, and might better have been “An Intro duction to Geodesy and Geodynamics,” considering that it contains no reference to such ...

PROF. HOSMER'S text-books on surveying and allied subjects are well known, and any further contribution from his pen is sure of a welcome from all those either actually engaged upon, or interested ...

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Don't let anyone try to convince you that the earth is a sphere! It's actually closer to an ellipsoid. How does your airline pilot know which direction to head when he’s over the ocean with no ...