Public Domain Encyclopedia Database

Search the scanned history of knowledge.

Compare encyclopedia entries across editions, inspect page scans, and trace every article back to its source volume.

Try electricity Try telegraph Try astronomy

5source families

1366article records

1356imported with text

APIsearch endpoint

Search results

1 result for “Trisectrix”

Results are grouped by encyclopedia. Grouped by encyclopedia. Each record links to article text, topic comparison, and available source evidence.

Source family

Britannica 11th

Encyclopaedia Britannica · 11th edition

1 match

Trisectrix

Britannica 11th

TRISECTRIX, a curve which is a variety of the limacon (q.v.) of Pascal, and named from its property of trisecting an angle. The polar equation is r=i + 2 cos 6 and the form of the curve is shown in the figure. To trisect an angle by means of this curve, ov des ...

Vol. 27, pp. 292-292 OCR text aligned to scanned pages Relevance 330.0

Read article Compare topic Source text