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Wimshurst Machine Invented by James Wimshurst in 1883.
Wimshurst Machine
Our Price: $74.95
Sale Price: 59.95
Savings: $15.00

Planck's Constant Apparatus, Planck's Constant Measuring Device
Our Price: $629.95
Sale Price: 474.95
Savings: $155.00
Inertia Demonstrator
Our Price: 12.95
Deluxe Wimshurst Machine, Vanguard III Model
Our Price: $139.95
Sale Price: 94.95
Savings: $45.00

Resonance Apparatus For Speed of Sound and Resonance Positions Water electrolysis kit. Self Contained water electrolysis kit with connecting wires and power supply.
Sonometer, Simple
Our Price: 24.95

Resonance Apparatus
Our Price: $139.95
Sale Price: 96.95
Savings: $43.00
Water Electrolysis Kit Complete with Wires and Power Supply
List Price: $79.95
Our Price: 49.95
Savings: $30.00

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