Improvements in or relating to surveying techniques

Improvements in or relating to surveying techniques

A surveying rods (3), is suspended from e.g. the ceiling of a mine and carries a weight (4) to stabilise it and maintain it vertical. A prism holder (7) is supported by bracket assembly (8). Sighting a theodolite and an Electronic Distance Measuring device onto the suspended target speeds and simpli...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: CONRAD HENRY MACKLE CULKIN
Format: Patent
Sprache:eng
Schlagworte:
GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
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Beschreibung
Zusammenfassung:A surveying rods (3), is suspended from e.g. the ceiling of a mine and carries a weight (4) to stabilise it and maintain it vertical. A prism holder (7) is supported by bracket assembly (8). Sighting a theodolite and an Electronic Distance Measuring device onto the suspended target speeds and simplifies the process of surveying subterranean formations eg. mines.