 ... forms a hinge, as on a common pump valve. The other edge of the valve, when it covers the opening, forms, with a ridge cast on the pipe, a channel or trough, on its whole extent. This trough is filled with a composition of bees-wax and tallow, which,...  The hand-book to the steam engine - Page 81by Handbook - 1846Full view - About this book
 | Charles W. Vincent, James Mason - 1844 - 324 pages
...with a composition of bees-wax and tallow, which, when melted and cooled, adheres to the side of the valve, and keeps it air-tight. As the travelling piston...admits the air to act against the piston. The rupture thus made in the composition of wax and tallow is cemented again, before the train passes, in the following... | |
 | 1844 - 490 pages
...with a composition of bees-wax and tallow, which, when melted and cooled, adheres to the side of the valve,' and keeps it air-tight. As the travelling...connecting rod to pass. The opening thus made also permits the air to act against the piston. The rupture thus made in the composition of wax and tallow... | |
 | Edward PORTWINE - 1847 - 154 pages
...its whole extent. This trough is filled with a composition which adheres to the side valve to keep it air-tight. As the travelling piston is forced along...against the piston. The rupture in the composition ought to be sealed again before the train passes. A steel wheel, regulated by a spring, is attached... | |
 | 458 pages
...its whole extent. This trough is filled with a composition which adheres' to the side valve to keep it air-tight. As the travelling piston is forced along...also admits the air to act against the piston. The ruptute in the composition ought to be sealed again before the train passes. A steel wheel, regulated... | |
 | Jabez Hogg - 1853 - 390 pages
...with a composition of bees-wax and tallow, which, when melted and cooled, adheres to the side of the valve and keeps it air-tight. As the travelling piston...behind the piston, so as to admit the connecting rod C to pass as in fig. 74. The opening thus made also admits the air to act against the piston. The rupture... | |
 | Jabez Hogg - 1861 - 594 pages
...melted and cooled, adheres to the side of the valve and keeps it air-tight. As the travelling piston isi forced along the pipe, one side of the valve is raised...behind the piston, so as to admit the connecting rod C to pass as in fig. 133. The opening thus made also admits the air to act against the piston. The... | |
| |
