Discusses the theory and practice of levelling, with particular regard to the steps necessary to check and to maintain instruments in a proper state of adjustment. The latter section of the film illustrates the use of the Geodetic Level and finally how this level was used by the Geodetic Survey of Canada to run out a hundred miles of control levels along the Red River.
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Collection
In ACMI's collection
Credits
Collection metadata
ACMI Identifier
010471
Language
English
Subject categories
Documentary → Documentary films - Great Britain
Education, Instruction, Teaching & Schools → Surveying
Educational & Instructional → Educational films
Mathematics, Science & Technology → Civil engineering
Mathematics, Science & Technology → Measuring instruments
Mathematics, Science & Technology → Scientific apparatus and instruments
Mathematics, Science & Technology → Scientific surveys
Sound/audio
Sound
Colour
Black and White
Holdings
16mm film; Access Print (Section 1)