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 |
| 4536755 | Apparatus for detecting unauthorized egress by patient from position of confinement An apparatus and a method for monitoring the activity of a patient comprehend the sensing of the downwardly directed angular inclination of the distal end of the patient's femur to determine when the patient is in an ambulatory enabling position. The elec... | 08/20/1985 |
