“Those who are unacquainted with the details of scientific investigation have no idea of the amount of labour expended in the determination… — John Tyndall Copy Share Image
“In the vestibule of the Manchester Town Hall are placed two life-sized marble statues facing each other. One of these is that… — Henry Enfield Roscoe Copy Share Image
In the firmament of science Mayer and Joule constitute a double star, the light of each being in a certain sense complementary… — John Tyndall Copy Share Image
