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Happiness in this Life

To Hugh Roberts Dear Friend, London, Sept. 16. 1758 Your kind Letter of June 1. gave me great Pleasure. I thank you for the Concern you express about my Health, which at present seems tolerably confirm’d by my late Journeys into different Parts of the Kingdom, that have been highly entertaining as well as useful…

Cooling by Evaporation

To John Lining Dear Sir, London, June 17, 1758. In a former letter I mentioned the experiment for cooling bodies by evaporation, and that I had, by repeatedly wetting the thermometer with common spirits, brought the mercury down five or six degrees. Being lately at Cambridge, and mentioning this in conversation with Dr. Hadley, professor…

Strata of the Earth

To John Pringle SIR, Craven-street, Jan. 6, 1758. I return Mr. Mitchell‘s paper on the strata of the earth with thanks. The reading of it, and perusal of the draft that accompanies it, have reconciled me to those convulsions which all naturalists agree this globe has suffered. Had the different strata of clay, gravel, marble,…

Electric Shocks in Paralytic Cases

To John Pringle Sir Dec. 21. 1757 The following is what I can at present recollect, relating to the Effects of Electricity in Paralytic Cases, which have fallen under my Observation. Some Years since, when the News papers made Mention of great Cures perform’d in Italy or Germany by means of Electricity, a Number of…