 | John Mitchell (F.C.S.) - 1846 - 450 pagina’s
...through the mouth, in such a way, that when the action of the lungs is suspended during inspiration, the blast may be continued by the action of the mouth itself, from the air contained within it. The time of fourteen or fifteen seconds, during which the mouth can supply air independently of the lungs,... | |
 | John Mitchell (F.C.S.) - 1846 - 448 pagina’s
...through the mouth, in such a way, that when the action of the lungs is suspended during inspiration, the blast may be continued by the action of the mouth itself, from the air contained within it. The time of fourteen or fifteen seconds, during which the mouth can supply air independently of the lungs,... | |
 | John Mitchell (analytical chemist.) - 1854 - 608 pagina’s
...through the mouth, in such a way that when the action of the lungs is suspended during inspiration, the blast may be continued by the action of the mouth itself, from the air contained within it. The time of fourteen or fifteen seconds, during which the mouth can supply air independently of the lungs,... | |
 | Aaron Snowden Piggot - 1854 - 538 pagina’s
...through the mouth, in such a way that when the action of the lungs is suspended during inspiration, the blast may be continued by the action of the mouth itself, from the air contained within it. The time of fourteen or fifteen seconds, during which the month can supply air independently of the lungs,... | |
 | John Mitchell (F.C.S.) - 1868 - 840 pagina’s
...through the mouth, in such a way that when the action (>f the lungs is suspended during inspiration, the blast may be continued by the action of the mouth itself, from the air contained within it. The time of fourteen or fifteen seconds, Curing which the mouth can supply air independently of the lungs,... | |
 | David M. Knight - 1998 - 692 pagina’s
...instrument. 223. The practice necessary at first is that of making the mouth replace the lungs fora short time, by using no other air for the blow-pipe...renewal of motive power. The time of fourteen or fifteen seconds, (luring which the mouth can supply air independently of the lungs, is far more than that requisite... | |
| |
This step being taken, the next is to combine this process with the ordinary one of propelling air directly from the lungs through the mouth, in such a way that, when the action of the lungs is suspended during respiration, the blast may be continued... 