
VOL. II. JUNE 1, 1851. NO. 2.
Devoted to the Daguerrian and Photogenic Arts.
Also, embracing the Sciences, Arts, and Literature.

S. D. HUMPHREY AND L. L. HILL, EDITORS.
NEW-YORK:
PUBLISHED SEMI-MONTHLY, AT $3 PER ANNUM, IN ADVANCE.
NO. 311 BROADWAY.
SUBJECT TO NEWSPAPER POSTAGE.—See 3d page cover.
| Some experiments and remarks on the changes which bodies are capable of undergoing in darkness, and on the agent producing these changes, by Robert Hunt, | 33 |
| Railroad to the Pacific, | 35 |
| Experiments on the colored films formed by iodine, bromine, and chlorine, upon various metals, by Augustus Waller, M. D., | 36 |
| Iodine with silver and copper, | 39 |
| Bromine with silver and copper, | 40 |
| Chlorine with silver and copper, | 40 |
| Iodine with titanium, | 40 |
| Bromine with titanium, | 40 |
| Chlorine with titanium and copper, | 40 |
| Iodine with bismuth and silver, | 40 |
| Iodine with mercury, | 40 |
| Bromine with mercury and copper, | 41 |
| Chlorine with mercury and copper, | 41 |
| Bromine with lead, | 41 |
| Iodine with iron, | 41 |
| The American electric telegraph, | 42 |
| Iron pavement, | ... BU KİTABI OKUMAK İÇİN ÜYE OLUN VEYA GİRİŞ YAPIN!Sitemize Üyelik ÜCRETSİZDİR! |