| John Hamilton Moore - 1807 - 328 sider
...depth of 80 or 100 fathoms when it can be, whereby the boat will ride almoft as fteady as at anchor, **then heave the log, and the number of knots run out...runs per hour, and the bearing of the log Ihews the** fetting of the current. EXAMPLE I. If a fliip fails ENE 98 miles in a current that fets SW 17 miles... | |
| John Hamilton Moore - 1807 - 328 sider
...depth of 80 or 100 fathoms when it can be, whereby the boat will ride almoft a» fteady as at anchor, **then heave the log, and the number of knots run out...current runs per hour, and the bearing of the log** (hews the fetting of the current. EXAMPLE I. If a fhip fails ENE 98 miles in a current that fets SW... | |
| 1808
...depth ef about loo fathoms: then, the log being low, its bearing will be the fitting of the current ; **and the number of knots run out in half a minute will** be its drift. When in fight of land, the fetting and drift of a current may be found, by obforving... | |
| John Hamilton Moore - 1810 - 336 sider
...depth of 80 or 100 fathoms when it can be, whereby the boat will ride almost as steady as at anchor, **then heave the log, and the number of knots run out...give the miles which the current runs per hour, and** tlfe bearing of the log shows the setting of the current. EXAMPLE I. If a ship sails ENE 98 miles in... | |
| Charles Hutton - 1815
...100 fathoms, when it can be done : by which means the boat will ride almost as steady as at anchor. **Then heave the log, and the number of knots run out in half a minute will give the** rate of the current, or the miles \vhich it runs per hour; and the hearing of the log shows the setting... | |
| 1821
...to the boat's stern, let down a heavy iron pot or loaded kettle to the depth of 80 or 100 fathoms ; **then heave the log, and the number of knots run out in half a minute will** be the miles the current sets per hour, and the bearing of the log will show the set of it. There is... | |
| Nathaniel Bowditch - 1826 - 617 sider
...to the. boat's stern, let down a heavy iron pot or loaded kettM to the depth of 80 or 100 fathoms ; **then heave the log, and the number of knots run out in half a minute will** be the miles the current sets per hour, and the bearing of the log will show the set of it. There is... | |
| Nathaniel Bowditch - 1826 - 617 sider
...to the boat's stern, let down a heavy iron pot or loaded kettle to the depth of 80 or 100 fathoms ; **then heave the log, and the number of knots run out in half a minute will** he, the miles the current sets per hour, and the hearing of the log will show the set of it. There... | |
| John William Norie, J. W. Saul - 1917 - 595 sider
...nearly as steady as at anchor ; then the log being hove, its bearing will be the setting of the current, **and the number of knots run out in half a minute will** be its drift per hour. This method is, however, very uncertain, owing to the effect of submarine currents.... | |
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