PLATE 50.--PLANETS.
B, B, B, B, B, planets.
Fig. 1, photosphere, or light on every side;
Fig. 2, negative currents;
Fig. 3, relative enlargement of a planet on the illuminate side;
Fig. 4, enlargement illustrative of age of planet;
Figs. 5 and 8, variation in vortex, called variation of needles;
1, 1, etherea, or inactive space;
2, 2, 2, 2, place of actinic force.
The Panic signs denote the expression in numbers.