Search Loci: Convergence:
If you ask mathematicians what they do, you always get the same answer. They think. They think about difficult and unusual problems. They do not think about ordinary problems: they just write down the answers.
Mathematics Magazine, v. 65 no. 5, December 1992.
English gauger's scale
An English gauger’s scale, probably 18th century. The units measured on it are: Hogshead, kilderkin, barrel, etc. It may have been the possession of a tavern keeper employed to measure his wares. Gauging, or measuring the liquid volume in a cask or barrel was an important mathematical activity from the Middle Ages through the 19 th century. Johannes Kepler devoted a book to the subject.