Scientists Books

CHAPTER I. EARLY YEARS; 1738-1772. Of the great modern philosophers, that one of whom least is known, is William Herschel. We may appropriate the words which escaped him when the barren region of the sky near the body of Scorpio was passing slowly through the field of his great reflector, during one of his sweeps, to express our own sense of absence of light and knowledge: Hier ist wahrhaftig ein Loch... more...

PRIESTLEY IN AMERICA There lies before the writer a tube of glass, eleven and one half inches in length and a quarter of an inch in diameter. Its walls are thin. At one end there is evidence that an effort was made to bend this tube in the flame. Ordinarily it would be tossed aside; but this particular tube was given the writer years ago by a great-grandson of Joseph Priestley. Attached to the tube is... more...

CHAPTER I. Peculiar interest attached to his Life—His Birth—His early studies—His passion for Mathematics—His work on the Hydrostatic Balance—Appointed Lecturer on Mathematics at Pisa—His antipathy to the Philosophy of Aristotle—His contentions with the Aristotelians—Chosen professor of Mathematics in Padua—Adopts the Copernican system, but still teaches the Ptolemaic doctrine—His... more...