May –
James Watt makes a breakthrough in the development of the
steam engine by constructing a model with a separate condenser,[1] an idea which has come to him in a walk on
Glasgow Green.
^Kermack, W. R. (1944). 19 Centuries of Scotland. Edinburgh: Johnston. p. 80.
^Ewan, Elizabeth; Pipes, Rose; Rendall, Jane; Reynolds, Siân (eds.). The new biographical dictionary of Scottish women. Edinburgh University Press. p. 5.
ISBN9781474436281.