"If an excited substance be brought near a ball made of pith, or cork, suspended by a silk thread, the ball will, in the first place, approach the electric, as at a, indicating an attraction towards it, and if the position of the electric will allow, the ball will come into contact with the electric, and adhere to it for a short time, and whill then recede from it, showing that it is repelled, as at b." -Comstock 1850

Electrical Attraction

"If an excited substance be brought near a ball made of pith, or cork, suspended by a silk thread, the…

A moth being attracted to candle light.

Moth

A moth being attracted to candle light.

A pair of opposite poles attracting, the magnetic force shown by iron filings.

Attractive poles

A pair of opposite poles attracting, the magnetic force shown by iron filings.

The outline of a bar magnet, and the influence of its poles on a surface covered with iron filings.

Magnetic polse

The outline of a bar magnet, and the influence of its poles on a surface covered with iron filings.

A hand with a rod, demonstrating the attractive properties of static electricity.

Demonstration of Static Electricity

A hand with a rod, demonstrating the attractive properties of static electricity.