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Observations on the pot-ash brought from America
With respect to its goodness, sophistication, &c. Verified by experimental examination: together with instructions for determining the comparative value of any parcel, by expedient methods: to which is subjoined, processes for making pot-ash and barilla, in North-America. The whole communicated to the society for the encouragement of arts, manufactures and commerce, by R. Dossie: and printed, at their request, in consequence of an application made to them on these points, by the Hon. House of Representatives of the province of Massachusets-Bay
1 online resource (4 unnumbered pages, 41, 1 unnumbered pages) : illustrations ;
Reproduction of original from British Library.