Prismatic compass is considered more accurate than a surveyor's compass, because

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Question:
Prismatic compass is considered more accurate than a surveyor's compass, because

1.it is provided with a better magnetic needle

2. it is provided with a sliding glass in the object vane

3. its graduations are in whole circle bearings

4.it is provided with a prism to facilitate reading of its graduated circle

Posted Date:-2021-03-26 07:56:27

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