THE ELEMENTS OF EXPERIMENTAL CHEMISTRY, BY WILLIAM HENRY, M.D.F.R.S. Vice-Pres. of the Lit. and Phil. Soc. at Manchester; Mem. of the Roy. Med. THE FIRST AMERICAN FROM THE EIGHTH LONDON EDITION, COMPREHENDING ALL THE RECENT DISCOVERIES. TOGETHER WITH An Account of Dr. Wollaston's Scale of Chemical Equivalents. ALSO, A Substitute for Woulfe's or Nooth's Apparatus ; AND A New Theory of Galvanism, BY ROBERT HARE, M.D. Professor of Chemistry in the Med. Dep. of the University of Pennsylvania, |