A letter from Dr. Robert Plot of Oxford, to Dr. Martin Lister F. of the R. S. concerning the use which may be made of the following history of the weather, made by him at Oxford through out the year 1684

Sir, It would be needless to acquaint you with the Universal approbation, your new and easy invention of observing the rise and fall of the Mercury in the Barometer (by parallel lines drawn from every decimal part of each month of its whole extent,) was received in our Philosophical Society at Oxford : Since I here Send you the observ.