The preparation of nitre (saltpetre) mb-width 3075 A crowd with a foppish

A crowd with a foppish couple in the front can be seen issuing from chapel on the right with the Baptist's Head Eating House on the left

Castles in the air

In this iconic image the right half of the Ardhanarishvara images comprises male anatomy and the left that of the female

Depicted in a collar and chain

Flying with them is a violin

The preparation of nitre (saltpetre) mb-width 3075 A crowd with a foppishThis 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