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Tests of volumetric glassware'. Publication of the National Physical Laboratory, Metrology Dept

Optics in the service of the chemical engineer', by F. Lowe.

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William John Hall, Ilkley, Yorkshire, to Sir Robert Robertson. Asks for a testimonial in connection with an application for the post of senior research assistant at the Building Research Station. With a reply from Sir Robert.

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A recommendation by Sir Robert to promote John Alexander Robertson Stoyle from A.I.C. to F.I.C.

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