Advertisement. the fallowing edition of the miscellaneous scientific works' of dr. young contains all his contributions to the transactions of the royal society ; the principal articles prepared for the sup-. plement ...

Preface. tmefirstpmlqf.this vohune,çousistingroftlrethaíliematic|i éléments of natural philosophy, is in part reprinted from thé syllabus ofthe lectures, but considerable additions baye , been made to it, both of ...