Philosophical transactions of the Royal Society of London (1666)
Royal Society (Great Britain), United States. Patent Office. Scientific Library, former owner. DSI · London : Royal Society of London · leaf 197
ficient diftance.from each other, would correfpond, by fignals, viz.a red flag for pojitive, and-a blue one for negativeelectricity, we mould probably obtain, in due time,more fatisfactory certainty with regard to the electricityof the clouds, thunder, &c. than has hitherto been,given, or is,… … C >45 3 Mr. Ronayne having received the following Letterfrom Mr. Henly, which corroborates and con-firms the obfervations mentioned in his paper,it was thought proper to print them togetherin this volume. O&ober 16, 17.71, | part 5, P. M. I Find a fog (not very thick), foon after its…
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