An introduction to practical chemistry : including analysis . SECOND AMERICAN, FROM THE SECOND AND REVTSED LONDON EDITION. MBJMRY UP3E0N GENERALS OFFICENOV. 20, 1901 1 » PHILADELPHIA: BLANCIIARD AND 8 56. /)/)/)e>c & 7*7/ /Z5t> cJy(T va o Facts are ihe materials of Science; but all Facts involve Ideas. Since, inobserving Facts, we cannot exclude Ideas, we must, for the purposes of Science,take care thai the Ideas are clear, and rigorously applied.—Whewell, Philo-sophy of the Inductive Scienees, vol. i, p. xxxvii. C. SHERMAN 4 SOX, PRINTERS. 19 St. Jamas Street. PREFACE TO THE SECON
An introduction to practical chemistry : including analysis . SECOND AMERICAN, FROM THE SECOND AND REVTSED LONDON EDITION. MBJMRY UP3E0N GENERALS OFFICENOV. 20, 1901 1 » PHILADELPHIA: BLANCIIARD AND 8 56. /)/)/)e>c & 7*7/ /Z5t> cJy(T va o Facts are ihe materials of Science; but all Facts involve Ideas. Since, inobserving Facts, we cannot exclude Ideas, we must, for the purposes of Science,take care thai the Ideas are clear, and rigorously applied.—Whewell, Philo-sophy of the Inductive Scienees, vol. i, p. xxxvii. C. SHERMAN 4 SOX, PRINTERS. 19 St. Jamas Street. PREFACE TO THE SECOND EDITION. In the present Edition I have endeavored, as far aspossible, to make this little work more fully adapted tothe requirements of the general student; and I believeit now leaves little to be desired as an IntroductoryText-book of Practical Chemistry. I have also, withoutadding materially to its bulk, embodied such changesand corrections as have been rendered necessary by theprogress of the science since the first edition was pub-lished. J.
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