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Surveyor‚Äö√Ñ√∂‚àö√ë‚àö¬•s compass

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1.	In_which_of_the_following_compass_sighting_and_reading_taking_can_be_done_simultaneously_from_one_position_of_the_observer?$
A.	Prismatic compass
B.	Surveyor‚Äö√Ñ√∂‚àö√ë‚àö¬•s compass
C.	Theodolite
D.	Sextant
Answer» B. Surveyor‚Äö√Ñ√∂‚àö√ë‚àö¬•s compass