The preparation of nitre (saltpetre) mb-width 3075 boxes and ropes amongst other

boxes and ropes amongst other items

Flying with them is a violin

Batches of pre-production versions followed

Castles in the air

The preparation of nitre (saltpetre) mb-width 3075 boxes and ropes amongst otherThis 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