Quotables
"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 4978987 | Apparatus for development and after-treatment of photographic material to be developed An apparatus for developing and after treatment of photographic development material includes a plurality of containers arranged one after another in a row with the containers having open tops. The containers are arranged to receive different treatment fl... | 12/18/1990 |
| 4941007 | Apparatus for processing photographic material to be developed An apparatus for processing photographic material to be developed, including at least one container provided so as to receive a processing liquid, a conveyor arrangement located in the container for conveying the material to be developed through the proce... | 07/10/1990 |
