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1 vote	1299 views	1 answer	If a tacheometer is fitted with an anal-latic lens updated 11 years ago by Civil Engineer
1 vote	1679 views	1 answer	The slope correction may be ignored if updated 11 years ago by Civil Engineer
1 vote	1284 views	1 answer	The tangent to the liquid surface in a level tube, is parallel to the axis of the level tube at updated 11 years ago by Civil Engineer
1 vote	1389 views	1 answer	The distance between steps for measuring down hill to obtain better accuracy updated 11 years ago by Civil Engineer
1 vote	1288 views	1 answer	Ramsden eye-piece consists of updated 11 years ago by Civil Engineer
1 vote	1582 views	1 answer	The 'point of curve' of a simple circular curve, is updated 11 years ago by Civil Engineer
1 vote	1318 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 11 years ago by Civil Engineer
1 vote	1462 views	1 answer	Cross-staff is used for updated 11 years ago by Civil Engineer
1 vote	1293 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 11 years ago by Civil Engineer
1 vote	1208 views	1 answer	The construction of optical square is based, on the principle of optical updated 11 years ago by Civil Engineer