| Etching Daguerreotype Plates, by W. R. Grove | [225] |
| Valuable Receipt | [228] |
| Painting—its Origin and History, by Wm. Walcott | [229] |
| Bromine | [233] |
| Nitrate of Silver decomposed by the current of a Galvanic Battery | [235] |
| Potassium-Cyanide or simple Cyanuret of Potassium | [236] |
| Stereo-Chromic Painting | [236] |
| Water—Spring, River and Lake | [237] |
| Isinglass | [238] |
| Papier-Mache | [238] |
| Chloride of Calcium | [238] |
| Muriate of Ammonia | [238] |
| Bromide of Silver Native Bromide of Silver and analysis | [239] |
| Hillotypes | [241] |
| Communication, by L. L. Hill | [241] |
| Removal | [243] |
| Our Daguerreotypes—Polishing Machine—Gurney—
Thompson—McBride—Weston—Morand | [243] |
| Correspondence—Jas. Bennett Sykes—W. S. Gear | [244] |
| Ammonia | [245] |
| An Army of Subscribers | [245] |
| Strange Announcement | [245] |
| Examples of the Divisibility of Matter | [246] |
| Iron—Its Natural and Artificial Combination with Carbon | [247] |
| New Weigh-lock at Albany | [249] |
| Daguerreotyping in London | [249] |
| Quick Stuffs—Six Receipts | [250] |
| Money received | [251] |
| Answers to Correspondents | [251] |
| Notice of New Publication | [251] |
| Advertisements | [252] |
| Artists' Register | [255] |
WILLIAM S. DORR, Printer,
101 Nassau-St., New York.