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| View Original: | Tribrach for surveying instruments.JPG (3264x2448) | |||
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| Keywords: Tribrach for surveying instruments.JPG Tribrach with optical plummet for surveying instruments like for example total stations and more modern theodolites The eyepice for the optical plummet is the black cylinder pointing to the lower left corner of the image Trefot med optiskt lod för geodetiska instrument som till exempel totalstationer och modernare teodoliter Det optiska lodets okular är den svarta cylinder som pekar mot bildens nedre vänstra hörn Own 2009-08-21 Johan Gustafsson KJG2007 Surveying equipment Wild Heerbrugg | ||||
