Billiard table ivory balls from warping. The first use of electric heating was for an 18.2 balkline tournament held in December 1927 between Welker Cochran and Jacob Schaefer, Jr. The New York Times announced it with fanfare: "For the first time in the history of world's championship balkline billiards a heated table will be used..." A pool table, or pocket billiards table, has six – one at each corner of the table () and one at the midpoint of each of the longer sides ( or ). Pool tables come in different sizes, typically referred to as , , , or tables.
Table of Opposites Is the universe one? Then how is it diverse? Is the universe many? Then how is it unified? This has historically been known as the problem of the one and the many, about which no small amount of ink has been spilled. Table of Opposites The Table of Opposites ( "sustoichia") of Pythagoras is the oldest surviving of many such tables propounded by philosophers. Aristotle is the main source of our knowledge of the Pythagorean table. Here follows a rough translation of the Table of Opposites, although like all translations the precise meaning does not necessarily carry over from the