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Amgueddfa Cymru – Museum Wales
Black and red print on blue paper. Memo from Henry Jones, General Merchant, London House, Pontardulais, to Thomas Williams & Sons, Llangennech re. prices. At top and left hand side of memo is an advert for Kainit ('a natural German salt, containing 23/26% sulphate of potash'). Dated 21 September, 1901.
