"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 |
| 6484634 | Block copy sheet for lithographic printing plate A block copy sheet for lithographic printing plate to be interposed between a plate cylinder and a lithographic printing plate having a front surface and a back surface, at least the back surface being made of a material other than metals, wherein the blo... | 11/26/2002 |
| 6460457 | Method and device for automatically providing a printing plate to a plate cylinder A method for automatically providing a printing plate to a plate cylinder includes the steps of aligning a first edge of a printing plate against a cylinder adjacent to a plate cylinder, moving the first edge of the printing plate into a gap in the plate ... | 10/08/2002 |
| 4027591 | Apparatus for positioning a pad or book of sheets on the work table of printing apparatus Apparatus for the positioning of a loose leaf or bound pad or book on the work table of an apparatus for printing the individual leaves of the pad or book comprising a holder member which is disposed to extend transversely of the work table and located on... | 06/07/1977 |