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XM/8039/255

BOOKLET: `Diagramettes, photozincograph reproductions from large diagrams with brief descriptive references for use as notes and sketches’ by W.H.Knight, covering water supplies, house drainage systems, damp proof courses, clothing, meteorology, bacteriology, disinfection, damp, fire and sound proofing.


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In accord with normal archival practice in Wales, details of documents are presented in the language of the document. Where details appear in Welsh, then Welsh is the language in which the document is written; where they are in English, the document is in English.