Pauly-Wissowa, Realencyclop�die der classischen Altertumswissenschaft, 1894ff, is an encyclopedia of classical scholarship. With its supplements it comprises well over a hundred volumes.
Each article was written by a recognized specialist in the relevant field.
The index to Pauly-Wissowa is available on CD-ROM.
... the gyroscope inside it, except for a small round opening on top of it, which is where you can manually start the gyroscope. Once the gyro is spinning, tipping th ...