The preparation of nitre (saltpetre) hub-cap "and all their armour flashing

"and all their armour flashing high

dashing them to destruction

Pininfarina is particularly associated with Italian cars

Geel Koper

The preparation of nitre (saltpetre) hub-cap "and all their armour flashingThis 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