| 1839 - 1860 | Daguerreoytpes |
| 1839 - 1860 | Salted paper prints |
| 1851 - 1890 | Glass plate negatives |
| 1851 - 1885 | Collodion wet plate glass negatives |
| 1880 - 1920 | Gelatin dry plate glass negatives |
| 1889 - 1951 | Nitrate negatives (introduced by Kodak) - unstable and a fire hazard (in large quantities) |
| 1850 - 1900 | Albumen prints |
| 1885 - 1905 | Gelatin and collodion printed-out photographic prints |
| 1880, 1900 - | B/W gelatin developed-out photographic prints |
| 1934 - | Acetate negatives introduced (safety film) |
| 1935 - | Chromogenic color film and transparencies (Kodak's Kodachrome was the first process) |
| 1948 - | Instant B/W process (introduced by Polaroid) |
| 1960 - | Polyester film introduced |
| 1963 - | Instant color print process (Polaroid's Polacolor) |