A recent seller on Ebay advertised an 1845 text called An Introduction to Geometry and the Science of Form by Ann C. Lowell. Though I did not end up as high bidder, I was able to capture some information from the text that proves interesting.
How well do you know your mathematical terms? That is, what are your definitions of the following:
Some of these terms are still around today, but "lozenge" and "salient angle" were new ones to me. Look the terms up for some surprises.
- vulgar fraction
- reentering angle
- salient angle
- rectlineal figure
- annular surface