 | John M. Moffat - Physics - 1834 - 530 pages
...with a little application, acquire the habit of floating with facility. The capability of breathing freely and at regular intervals is essentially requisite...mass, yet unless the face at least be kept above water respiration cannot be continued. It is therefore of the highest importance that all persons should... | |
 | Walter Rogers Johnson - Science - 1835 - 530 pages
...application, acquire the habit of floating with facility. The capability of breathing freely .iiid at regular intervals is essentially requisite to enable...mass, yet unless the face at least be kept above water respiration cannot be continued. It is therefore of the highest importance that all persons should... | |
 | 1836 - 496 pages
...with a little application, acquire the habit of floating with facility. The capability of breathing freely, and at regular intervals, is essentially requisite...yet, unless the face at- least, be kept above water, respiration cannot be continued. It is therefore of the highest importance that all persons should... | |
 | Walter R. Johnson - 1836 - 522 pages
...little application, acquire the habit of floating with facility. The capability of breathing freely arid at regular intervals is essentially requisite to enable...mass, yet unless the face at least be kept above water respiration cannot be continued. It is therefore of the highest importance that all persons should... | |
 | Walter Rogers Johnson - 1836 - 516 pages
...little application, acquire the habit of floating with facility. The capability of breathing freely olid at regular intervals is essentially requisite to enable...the heaviest part of the whole mass, yet unless the fiice at least be kept above water respiration cannot be continued. It is therefore of the highest... | |
 | 1837 - 490 pages
...with a little application, acquire the habit of floating with facility. The capability of breathing freely, and at regular intervals, is essentially requisite...of the whole mass, yet, unless the face at least, I be kept above water, respiration cannot be continued. It is therefore of the highest importance that... | |
 | 1837 - 488 pages
...with a little application, acquire the habit of floating with facility. The capability of breathing freely, and at regular intervals, is essentially requisite...is the heaviest part of the whole mass, yet, unless thr face at least, be kept above water, respiration cannot be continued. It is therefore of the highest... | |
 | John M. Moffat, Walter Rogers Johnson - Physics - 1842 - 498 pages
...with a little application, acquire the habit of floating with facility. The capability of breathing freely and at regular intervals is essentially requisite...mass, yet unless the face at least be kept above water respiration cannot be continued. It is therefore of the highest importance that all persons should... | |
 | Chemistry - 1850 - 414 pages
...with a little application, acquire the habit of floating with facility. The capability of breathing freely and at regular intervals is essentially requisite...mass, yet unless the face at least be kept above water respiration cannot be continued. It is, therefore, of the highest importance that all persons should... | |
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The capability of breathing freely and at regular intervals is essentially requisite to enable a person to support himself on the surface of water. The head, and the upper and lower extremities are relatively heavier than the trunk of the human body ;... 