Figures, experimental equipment and results by W H [William Henry] Preece Five figures, labelled figures 1-5, showing a circuit used by Preece in his investigations into the behaviour of glow-lamps when raised to high incandescence, and the glow-lamps used. Includes five prints of the same. Subject: Electricity / Chemistry Received 18 March 1885. Read 26 March 1885. The printed figures were published in volume 38 of the Proceedings of the Royal Society alongside the paper 'On a peculiar behaviour of glow-lamps when raised to high incandescence'. 1885