`TABLE 1: Negatively charging a pith ball

Observations of pith ball with nearby charged rod:

Observations of pith ball after it has been touched with charged rod:

`TABLE 2: Positively charging a pith ball

Observations of pith ball with nearby charged rod:

Observations of pith ball after it has been touched with charged rod:

`TABLE 3: Charging an electroscope by conduction

Observations of uncharged electroscope when negatively charged rod touches it:

Observations of negatively charged electroscope when negatively charged rod is brought near:

Observations of negatively charged electroscope when positively charged rod is brought near:

Observations of deflection of leaves or vane when plastic material charges the electroscope and negatively rod is brought near:

TABLE4: Charging a leyden jar

`TABLE 5: charging an electroscope by induction

Observations of electroscope when charged rod is brought near:

Observations of electroscope after touching with finger:

Observations to determine the type of charge: