Business efficiency: instruments

Business efficiency: instruments - 1987 - Building 252(31) 31 July 1987, 32-42(10) .

Reviews developments in surveying technology, describing the capabilities of the latest instruments including lasers and electronic theodolites . Continues with an examination of ultrasonic non-destructive testing , popular inspection tools and equipment used to identify hidden dangers of former industrial sites such as corrosive liquids, toxic or inflammable gases and radioactive waste.


ELECTROMAGNETIC DISTANCE MEASUREMENT
SURVEYING INSTRUMENTS