Daltonism

Daltonism

The first communication which Dalton ever made to the Literary and Philosophical Society of Manchester was a paper read on 31 October 1794, entitled, ‘Extraordinary Facts relating to the Vision of Colours: with Observations by Mr John Dalton’.l Dalton had discovered that he saw colours differently from other people and his paper was the first […]

Dalton’s Atomic Theory

Dalton’s Atomic Theory

On 21 October 1803 Dalton read a paper to the Manchester Literary and Philosophical Society on gas solubility which was not published until 1805. Dalton set out in it a ‘Theory of the Absorption of Gases by Water‘, in eight sections, the last of which must be read in full: the last sentence but one […]