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<p>Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
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<br>Subjects: conic; equation; straight; points; triangle; tangents; equations; conies; point; lines; straight lines; angular points; three points; three straight; anharmonic ratio; fixed point; tangents drawn; polar reciprocal; general equation; three sides</div>
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Norman Macleod Ferrers</div>
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