Demonstrations for Farm Mechanics

Demonstrations for Farm Mechanics

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B. Diagram 3-way switch installation on blackboard as contrasted with 2-way switch. Have the students trace the current when the light is either on or off. C. Illustrate and explain operation differences of 2- and 3-way switches. Ask why we mustanbsp;...

Title:Demonstrations for Farm Mechanics
Author:Michael O'Brien
Publisher: - 1957


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