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Sir, To perform now the promise I made you the other day, I must acquaint you with what will perhaps somewhat surprise you, by giving you an account of what I tried on Tuesday night laat (Octob. 29. 1667.) and the two or three following nights, about the relation between air and light, as this is to be found in some bodies.

philosophical transactions of the royal society of london

New Experiments concerning the relation between light and air (in shining wood and fish;) made by the honourable Robert Boyle, and by him addressed from Oxford to the publisher, and so communicated to the Royal Society