Diagram, experimental equipment by Arthur Schuster and Arthur William Crossley A pencil diagram, labelled figure 1, showing an inverted bell jar containing a a cylindrical cage of wire mesh used in Schuster and Crossley's investigation into the electrolysis of silver nitrate in vacuo. Subject: Electricity / Chemistry A print of this diagram was published in volume 50 of the Proceedings of the Royal Society alongside the paper 'On the electrolysis of silver nitrate in vacuo'. [1891-1892]