Atomic number judged of from electrochemical equivalent
Atoms of matter
—— their electric power
Attraction of particles, its influence in Döbereiner's phenomena
Attractions, electric, their force, note
—— chemic, produce current force
—— —— local force
—— hygrometric
Aurora borealis referred to magneto-electric induction
Axis of power, the electric current on , .
Balls of fire, atmospheric