In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed$?

In gramophones for adjusting the speed of the turntable, the following

1.	In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed$?
A.	Hartung governor
B.	Wilson Hartnell governor
C.	Pickering governor
D.	Inertia governor
Answer» D. Inertia governor

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In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed$?

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