The focal length of the object glass of a tacheometer is 320 mm, the distance between the vertical axis of the tacheometer and the optical centre of the object glass is 130 mm and the spacing between the upper and lower stadia of the diaphragm is 4 mm. With the line of collimation perfectly horizontal, the staff intercepts are 0.6m (top), 1.4m (middle), and 2.6m (bottom). The horizontal distance (in m) between the staff and the instrument station is

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The focal length of the object glass of a
tacheometer is 320 mm, the distance between
the vertical axis of the tacheometer and the
optical centre of the object glass is 130 mm
and the spacing between the upper and lower
stadia of the diaphragm is 4 mm. With the line
of collimation perfectly horizontal, the staff
intercepts are 0.6m (top), 1.4m (middle), and
2.6m (bottom). The horizontal distance (in m)
between the staff and the instrument station
is
Transcribed Image Text:The focal length of the object glass of a tacheometer is 320 mm, the distance between the vertical axis of the tacheometer and the optical centre of the object glass is 130 mm and the spacing between the upper and lower stadia of the diaphragm is 4 mm. With the line of collimation perfectly horizontal, the staff intercepts are 0.6m (top), 1.4m (middle), and 2.6m (bottom). The horizontal distance (in m) between the staff and the instrument station is
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