Geodesy: Historical Geodetics (Classic Reprint)
Alexander Ross ClarkeISBN: 1440088659;
sphere, a single observation of a more precise naturetaken at the top of the cliff would give a value of the radiusof the sphere. The 0bservation required is the dip or angleof' depression of the horizon: this, combined with one linearmeasure, namely, the height of the cliff, will suffice for arough approximation. This is an experiment that was madeat ~rount Edgecombe mOl'e than two centuries Table of Contents Geodetical...