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Amgueddfa Cymru – Museum Wales
Blue print on cream card that has been coated with plastic with hole punched at top in centre with decimal: inch conversion table on one side and Instructions on how to read micrometer on the other.
2001.5/226-233 and a 1950 edition of Horner & Gates "Pattern Making for Engineers" (passed to Library) stored in polythene bag on top of tools in front section of plan chest.
