Physical description
Round tin with 'press in' lid. Grey and white label with black printing.
Inscriptions & markings
Sigma Boracic Acid. Powder BP 4oz. Nett. Instructions paragraph. Imprinted 119665
Round tin with 'press in' lid. Grey and white label with black printing.
Sigma Boracic Acid. Powder BP 4oz. Nett. Instructions paragraph. Imprinted 119665