<div class="description">
<p>Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
</p>
<br>Subjects: angle; latitude; altitude; triangle; declination; distance; spherical; meridian; longitude; angles; hour angle; middle latitude; spherical triangle; meridian altitude; included angle; horizontal parallax; second member; triangle equal; ship sails; polar distance</div>
<div class="fn value">
Benjamin Peirce</div>
Internet Archive identifier