LONDON, EDINBURGH, AND DUBLIN PHILOSOPHICAL MAGAZINE AND JOURNAL OF SCIENCE. CONDUCTED BY SIR DAVID BREWSTER, K.H. LL.D. F.R.S.L. & E. &c. WILLIAM FRANCIS, PH.D. F.L.S. F.R.A.S. F.C.S. "Nec aranearum sane textus ideo melior quia ex se fila gignunt, nec noster VOL. XIII.-FOURTH SERIES. JANUARY-JUNE, 1857. LONDON. TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET, SOLD BY LONGMAN, BROWN, GREEN, LONGMANS, AND ROBERTS; SIMPÉIN, CLARK, EDINBURGH; SMITH AND SON, GLASGOW; "Meditationis est perscrutari occulta; contemplationis est admirari perspicua . . . . . Admiratio generat quæstionem, quæstio investigationem, investigatio inventionem."-Hugo de S. Victore. -"Cur spirent venti, cur terra dehiscat, Cur mare turgescat, pelago cur tantus amaror, Tam vario motu." J. B. Pinelli ad Mazonium. TIRKYKA TET VWD ZIVVLOKD TIMOR CONTENTS OF VOL. XIII. Mr. G. Gore on the Development of Dynamic Electricity by the Immersion of unequally Heated Metals in Liquids Mr. A. Cayley's Supplementary Remarks on the Porism of the Dr. H. Debus on the Action of Nitric Acid on Alcohol at com- ... Notices respecting New Books:-M. Gustav. Bischof's Ele- ments of Chemical and Physical Geology, Vol. II. Trans- lated by B. H. Paul, F.C.S.-Dr. T. Scheerer's Introduction |