On the electricity excited by the mere contact of conducting substances of different kinds
A 1800 Royal Society paper by Alessandro Volta, published in London, presenting his early electrochemical experiments with stacked metal discs and cups of liquid for a scientific readership. The engraved plates show stacks of alternating zinc, silver and cardboard discs, linked by wires to brine-filled vessels, drawn in crisp fine-line hatching that a designer could use for diagrammatic, technical line art.
