Which of the following mechanism is an approximate straight line motio

1.	Which of the following mechanism is an approximate straight line motion mechanism?
A.	Watt‚Äö√Ñ√∂‚àö√ë‚àö¬•s mechanism
B.	Grasshopper mechanism
C.	Robert‚Äö√Ñ√∂‚àö√ë‚àö¬•s mechanism
D.	All of the mentioned
Answer» E.

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Which of the following mechanism is an approximate straight line motion mechanism?

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