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LEFT: Miss Mandy Varrall, a laboratory technician, operating a coating drying time recorder in the quality control laboratory. RIGHT: Simple apparatus prepared for the comparative porosity testing of treated and untreated concrete. It is being used by Mr Rien Wagenvoort, technical manager, who set it up and carried out the tests for the Watergate contract.

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https://paperspast.natlib.govt.nz/newspapers/CHP19800726.2.102.3

Bibliographic details

Press, 26 July 1980, Page 16

Word Count
55

LEFT: Miss Mandy Varrall, a laboratory technician, operating a coating drying time recorder in the quality control laboratory. RIGHT: Simple apparatus prepared for the comparative porosity testing of treated and untreated concrete. It is being used by Mr Rien Wagenvoort, technical manager, who set it up and carried out the tests for the Watergate contract. Press, 26 July 1980, Page 16

LEFT: Miss Mandy Varrall, a laboratory technician, operating a coating drying time recorder in the quality control laboratory. RIGHT: Simple apparatus prepared for the comparative porosity testing of treated and untreated concrete. It is being used by Mr Rien Wagenvoort, technical manager, who set it up and carried out the tests for the Watergate contract. Press, 26 July 1980, Page 16