Theory of Machine
The example of lower pair is

Automobile steering gear
Shaft revolving in a bearing
Straight line motion mechanisms
All of these

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Theory of Machine
The Klein's method of construction for reciprocating engine mechanism

Is based on acceleration diagram
Is a simplified form of instantaneous center method
Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine
Enables determination of Cariole’s component

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