 |
 |
 |
 |
 |
|
Uncharged Electroscope
|
Torsion Balance which was used to demonstrate Coulomb's thesis...
|
Voltaic Pile (1800)
|
Wire being inserted into disc of Voltaic Pile (1800)
|
Electrophorus used to transfer electric charge from sourrce to...
|
 |
 |
 |
 |
 |
|
Salt-soaked Pasteboard Disc from Voltaic Cell
|
Copper and Zinc Discs from Voltaic Cell
|
Zinc and Copper Disc from Voltaic Cell
|
Central part of Leclanche Cell
|
Leclanche Cell
|
 |
 |
 |
 |
 |
|
Electroscope demonstrating a poor Conductor
|
Toughened Glass Suspension Insulator (1956)
|
Ceramic Insulator (1956)
|
Electroscope demonstrating a good Conductor
|
Bakelite (1930), Wooden (1915) and Porcelain (1920) Plugs
|
 |
 |
 |
 |
 |
|
Ammeter connnected to Rheostat showing high resistance
|
Ammeter connnected to Rheostat showing low resistance
|
Cross-section through Power Cable (20th century)
|
Colour television tube
|
Circuit board
|