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A comment on Renaissance Science – XXII: Land Surveying. Parent comment

Re:Renaissance Science – XXII: Land Surveying by lifeisstillgood on Saturday November 20, 2021 @04:36AM (#29286706)
So, if I wanted to just get a practical feel for the basics of land surveying (this is the big distance sort of thing), is it enough to mock up our own horizontal sighting instrument, or is the vertical part of the theodolite vital as well?
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Re:Renaissance Science – XXII: Land Surveying by wyclif on Saturday November 20, 2021 @06:44PM (#29292843)
It is vital. The first measurement you take on set up of the theodolite is the height of instrument (usually taken with a folding ruler or tape measure). You measure it from the base of the theodolite/total station to the top of the control point.
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Re:Renaissance Science – XXII: Land Surveying by lifeisstillgood on Sunday November 21, 2021 @04:24PM (#29299883)
Are there any good "basics, probably with your kids, guides"?
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