Page:Elektrische und Optische Erscheinungen (Lorentz) 139.jpg

Collection of the most important expressions

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$\rho$	Charge of an ion.
m	Mass of an ion.
V	Velocity of light in the aether.
t	Time.
t'	Local time (§ 31).
T	Oscillation period.
${\mathfrak {v}}$	Velocity of an ion.
${\mathfrak {p}}$	Translational velocity of ponderable matter.
${\mathfrak {q}}$	Displacement of an ion from its equilibrium position.
${\mathfrak {m}}$	Electric moment of a molecule.
${\mathfrak {M}}$	Electric moment of the unit volume of ponderable matter.
${\mathfrak {d}}$	Dielectric displacement in the aether.
${\mathfrak {D}}$	Dielectric polarization in a ponderable body.
${\mathfrak {S}}$	Electric current.
${\mathfrak {E}}$	Electric force.
${\mathfrak {F}}$	Electric force for stationary ions.
${\mathfrak {H}}$	Magnetic force.