Use of electro- optical distance measuring instruments
Author(s)/Corporate Author (s)United Nations. Economic and Social Council;
United Nations. Economic Commission for Africa;
MetadataShow full item record
At the present time the widespread use of electronic distance measuring equipment in the practical operations of surveying has Just about replaced chains and tapes for measuring precise distances. When these instruments were first introduced on the market, about 20 years ago, many surveyors and engineers were skeptical about their practical use in survey operations.