Difference between fixed hair and movable hair of tachometry..

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written 7.3 years ago by

ashishkamble32 • 20

modified 6.1 years ago by

sanketshingote • 100

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written 7.3 years ago by

ashishkamble32 • 20

Sr.no	Fixed hair	Movable hair
1	In this method interval between two stadia hair is fixed.	In this method interval between two stadia hair is variable. Stadia line are not fixed and moved by micrometre screw.
2	In this method horizontal distance from the instrument to the staff can be …

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