...than before, for in two and a half hours the water boiled ! "It would be difficult," wrote Rumford, "to describe the surprise and astonishment expressed...of the bystanders on seeing so large a quantity of cold water heated and actually made to boil without any fire. I acknowledge fairly that it afforded...

...by means of two horses for 2\ hr., at the end of which time the water boiled. 'It would be difficult to describe the surprise and astonishment expressed in the countenances of the bystanders', he wrote, 'on seeing so large a quantity of cold water heated, and actually made to boil, without any...