Levelling device

A mobile levelling apparatus (01)is used for quickly and simply transferring the height of a visible, fixed datum point from a distant wall or column across a room. The levelling apparatus is hand-held and can be operated by a single user. The operator physically holds the apparatus against a vertic...

Full description

Saved in:
Bibliographic Details
Main Author DURHAM JOHN ANTHONY DOUGLAS BR
Format Patent
LanguageChinese
English
Published 18.02.2009
Subjects
GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
Online AccessGet full text

Cover

More Information
Summary:A mobile levelling apparatus (01)is used for quickly and simply transferring the height of a visible, fixed datum point from a distant wall or column across a room. The levelling apparatus is hand-held and can be operated by a single user. The operator physically holds the apparatus against a vertical surface (20) at the actual point (19) where the height of the datum point is required, thereby ensuring that the apparatus is always under his/her control.
Bibliography:Application Number: CN200780002961