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 |
| 5548865 | Floor cloth bucket and wringer device Device for collecting dirty washing liquid and for containing liquid for wetting a floor-cloth or the like, for washing floors or the like by hand, including a main container, which supports a wringer and forms a compartment for collecting the liquid prod... | 08/27/1996 |
| 5175904 | Wringing device in particular for fringed strips for cleaning floors The wringing device in particular for fringed strips for cleaning floors, comprises a frame which oscillatably supports about a main axis, a supporting element for a roller. The roller can rotate with respect to the supporting element about its own axis w... | 01/05/1993 |
