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  2. List of surveying instruments - Wikipedia

    en.wikipedia.org/wiki/List_of_surveying_instruments

    Instruments used in surveying include: Alidade; Alidade table; Cosmolabe; Dioptra; Dumpy level; Engineer's chain; Geodimeter; Graphometer; Groma (surveying) Laser scanning; Level; Level staff; Measuring tape; Plane table; Pole (surveying) Prism (surveying) (corner cube retroreflector) Prismatic compass (angle measurement) Ramsden surveying ...

  3. Tripod (surveying) - Wikipedia

    en.wikipedia.org/wiki/Tripod_(surveying)

    Threads on the outside of the head engaged threads on the instrument's footplate. No other mounting screw was used. Fixed length legs were also seen on older instruments. Instrument height was adjusted by changing the angle of the legs. Widely spaced tripod feet resulted in a lower instrument while closely spaced legs raised the instrument.

  4. Category:Surveying instruments - Wikipedia

    en.wikipedia.org/wiki/Category:Surveying_instruments

    Tribrach (instrument) Tripod (surveying) This page was last edited on 4 October 2023, at 19:19 (UTC). Text is available under the Creative Commons Attribution ...

  5. Level (optical instrument) - Wikipedia

    en.wikipedia.org/wiki/Level_(optical_instrument)

    This reduces the need to set the instrument base truly level, as with a dumpy level. Self-levelling instruments are the preferred instrument on building sites, construction, and during surveying due to ease of use and rapid setup time. A digital electronic level is also set level on a tripod and reads a bar-coded staff using electronic laser ...

  6. Topographic Abney level - Wikipedia

    en.wikipedia.org/wiki/Topographic_Abney_Level

    It can be used as a hand-held instrument or mounted on a Jacob's staff for more precise measurement, and it is small enough to carry in a coat pocket. [1] [2] The Abney level is an easy to use, relatively inexpensive, and, when used correctly, an accurate surveying tool.

  7. Hilger & Watts - Wikipedia

    en.wikipedia.org/wiki/Hilger_&_Watts

    Photographs showing prototypes of both instruments may be seen in a review article by U.W. Arndt. [10] For commercial production of the four-circle diffractometer, Hilger and Watts won two Queen's Awards to Industry, the first for Services to Export in 1966 and the second for Technological Achievement in 1968. [ 11 ]

  8. Seiler Instrument & Mfg. Co. - Wikipedia

    en.wikipedia.org/wiki/Seiler_Instrument_&_Mfg._Co.

    Seiler Instrument & Mfg. Co. is a manufacturer specializing in optical fire control equipment as well as a major distributor of surveying software and instruments, microscopes, and Zeiss planetariums. There are several main divisions within the company which include Manufacturing, Geospatial-Survey, Medical, Seiler Design Solutions, LLC., and ...

  9. Tribrach (instrument) - Wikipedia

    en.wikipedia.org/wiki/Tribrach_(instrument)

    A tribrach is an attachment plate used to attach a surveying instrument, for example a theodolite, total station, GNSS antenna or target to a tripod. A tribrach allows the survey instrument to be repeatedly placed in the same position over a surveying marker point with sub- millimetre precision , by loosening and re-tightening a lock to adjust ...