Diagrams, pneumatic analogue of the Wheatstone bridge by William Napier Shaw A schematic diagram of Shaw's pneumatic analogue of the Wheatstone bridge, consisting of three wooden boxes. The diagram is described in detail in the accompanying paper. On page 7 of the paper is a rough sketch of Shaw's Wheatstone bridge, labelled figure 1, with notes to the engraver. Subject: Pneumatics / Fluid dynamics / Electricity A version of this paper was published in volume 47 of the Proceedings of the Royal Society as 'On a pneumatic analogue of the Wheatstone bridge'. 1890