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<p>Book digitized by Google from the library of the University of Michigan and uploaded to the Internet Archive by user tpb.
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<br>Subjects: equation; point; lines; curve; conic; points; parallel; tlie; tangents; straight lines; miscellaneous theorems; google examples; fixed point; middle point; general equation; radius vector; polar equation; angular points; opposite sides</div>
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William Peverill Turnbull</div>
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