The preparation of nitre (saltpetre) mb-code 1193435 George Michael and Andrew Ridgeley

George Michael and Andrew Ridgeley during the historic trip

with boats on the River Thames and a horse and cart on the quayside

Madame du Gaste

Also including a description

The table is covered by a blue cloth edged with a gold fringe

The preparation of nitre (saltpetre) mb-code 1193435 George Michael and Andrew RidgeleyThis plate forms part of Johann Rudolf Glauber's treatise on 'The Prosperity of Germany', and illustrates various stages in 'the Preparation of Salt petre' (nitre). The two images at the top show 'the manner of Boiling Salt petre, and by what means a Lixivium is to be made out of a Nitrous Earth', according to the methods of another German chemist, Lazarus Ercker. The lower image shows the preparation of the 'Lixivium' of saltpetre from horse dung or