Total station problems
The
newest theodolites showed the horizontal and vertical angles digitally in a display
window. Now, actually, transits and theodolites are almost obsolete in American
surveying practice. The textbook author (textbook pages were in moodle) refers to
transits as being the American-style instruments, they have four levelling screws
and silver horizontal and vertical scales and they are usually equipped with plumb
bobs for cantering over points. Theodolite is used to refer to the instruments with
three levelling screws and horizontal and vertical glass circles that could be read
directly or with an optical micrometer, also those instruments that provided digital
displays of angle readings.
In conclusion – both instruments are outdated for today, but they were used for
measuring horizontal and vertical angles. Theodolites were at fist distinguishable
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