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1 vote	1122 views	1 answer	If a tacheometer is fitted with an anal-latic lens updated 9 years ago by Civil Engineer
1 vote	1482 views	1 answer	The slope correction may be ignored if updated 9 years ago by Civil Engineer
1 vote	1067 views	1 answer	The tangent to the liquid surface in a level tube, is parallel to the axis of the level tube at updated 9 years ago by Civil Engineer
1 vote	1129 views	1 answer	The distance between steps for measuring down hill to obtain better accuracy updated 9 years ago by Civil Engineer
1 vote	1090 views	1 answer	Ramsden eye-piece consists of updated 9 years ago by Civil Engineer
1 vote	1340 views	1 answer	The 'point of curve' of a simple circular curve, is updated 9 years ago by Civil Engineer
1 vote	1111 views	1 answer	The minimum range for sliding the focusing lens in the internal focusing telescope for focusing at all distances beyond 4 m is updated 9 years ago by Civil Engineer
1 vote	1260 views	1 answer	Cross-staff is used for updated 9 years ago by Civil Engineer
1 vote	1110 views	2 answers	If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as updated 9 years ago by Civil Engineer
1 vote	1037 views	1 answer	The construction of optical square is based, on the principle of optical updated 9 years ago by Civil Engineer