Page:Philosophical magazine 21 series 4.djvu/303

Rh Mercury and Venus. D=36,298051=½ × 68,631843 + 1,982129,

V/D=0.0029760 = 2 × 0.0011651 +0.0006468.

Venus and Earth. D = 68,631843 =½ × 94,885000 +21,189343, V/D=0.00116510=2 × 0.00071676 -0.00026842.

Earth and Mars. D= 94,885000 =½ × 144,575333 + 22,587334, V/D=0.00071676=2 × 0·00038108 -0.00004540.

Jupiter and Saturn. D=493,654546 =½ × 905,087708 +41,110692, V/D= 0.000060411 = 2 × 0.000024332 + 0.0000117470.

Saturn and Uranus. D= 905,087708 =½ × 1820,020075 -4,922329, V/D= 0.000024332 = 2 × 0.0000085313 + 0.0000072598.

Uranus and Neptune. D=1820,020075 = ½ × 2849,991384 +395,024383, V/D= 0.0000085313 = 2 × 0.0000043542-0.0000001871.

6 Stone Buildings, Lincoln's Inn,

March 1861. 

XLIV. On Physical Lines of Force. By J. C. M, Professor of Natural Philosophy in King's College, London.

[With a Plate.]

Part II. — The Theory of Molecular Vortices applied to Electric Currents.

 E have already shown that all the forces acting between magnets, substances capable of magnetic induction, and electric currents, may be mechanically accounted for on the 