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Application filed by Ullrich G Messwerkzeug KgfiledCriticalUllrich G Messwerkzeug Kg
Publication of DK130556BpublicationCriticalpatent/DK130556B/da
Application grantedgrantedCritical
Publication of DK130556CpublicationCriticalpatent/DK130556C/da
G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
G01C9/00—Measuring inclination, e.g. by clinometers, by levels
G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble