• BS 680-1:1944

BS 680-1:1944

Specification for roofing slates-Imperial units

BSI Group , 04/21/1971

Publisher: BS

File Format: PDF

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Slates from the Cambrian, Ordovician, Silurian, Devonian, Dalradian formations. Characteristics, standard designations, thickness gradings, marketing descriptions, testing procedure for atmospheric conditions. Length and widths, with notes on randoms and peggies appended.

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