 | 1909 - عدد الصفحات: 532
...shall be provided with an efficient whistle or siren, sounded by steam or some substitute for steam, so placed that the sound may not be intercepted by any obstruction, and with an efficient fog horn, to be sounded by mechanical means, and also with an efficient bell. (In all cases where the... | |
 | David Wright Smith - 1910 - عدد الصفحات: 364
...shall be provided with an efficient whistle or siren, sounded by steam or some substitute for steam, so placed that the sound may not be intercepted by any...obstruction, and with an efficient foghorn, to be sounded by mechanical means, and also with an efficient bell.1 A sailing-vessel of 20 tons gross tonnage or upwards... | |
 | Austin Melvin Knight - 1910 - عدد الصفحات: 964
...provided with an efficient whistle o'r siren, sounded by steam or by some substitute for steam, so placed that the sound may not be intercepted by any obstruction, and with an efficient fog-horn ; also with an efficient bell. A sailingvessel of twenty tons gross tonnage or upward shall be provided... | |
 | Reginald Godfrey Marsden, Edward Stanley Roscoe - 1910 - عدد الصفحات: 696
...shall be provided with an efficient whistle or siren, sounded by stoam or some substitute for steam, so placed that the sound may not be intercepted by any obstruction, and with an efficient foff-born. to be sounded by mechanical means. and also with an efficient bell.' A sailing vessel of... | |
 | Henry John Wastell Coulson, Urquhart Atwell Forbes - 1910 - عدد الصفحات: 868
...whistle or siren, sounded by steam or some substitute for steam, so placed that the sound may not l>e intercepted by any obstruction, and with an efficient fog-horn, to be sounded by mechanical means, and also with an efficient bell.* A sailing-vessel of 20 tons gross tonnage or upwards... | |
 | Raymond Landon Bridgman - 1911 - عدد الصفحات: 328
...shall be provided with an efficient whistle or siren, sounded by steam or some substitute for steam, so placed that the sound may not be intercepted by any...obstruction, and with an efficient foghorn, to be sounded by mechanical means, and also with an efficient bell. A sailing vessel of 20 tons gross tonnage or upwards... | |
 | John H. Malcolm - 1911 - عدد الصفحات: 412
...shall be provided with an efficient whistle or siren, sounded by steam or some substitute for steam, so placed that the sound may not be intercepted by any...obstruction, and with an efficient foghorn, to be sounded by mechanical means, and also with an efficient bell.* A sailing vessel of 20 tons gross tonnage or upwards... | |
 | 1911 - عدد الصفحات: 342
...shall be provided with an efficient whistle or siren, sounded by steam or some substitute for steam, so placed that the sound may not be intercepted by any...obstruction, and with an efficient foghorn, to be sounded by mechanical means, and also with an efficient bell. A sailing vessel of 20 tons gross tonnage or upwards... | |
 | United States - 1911 - عدد الصفحات: 560
...be provided with an efficient whistle or siren, sounded by steam or by some substitute for steam, so placed that the sound may not be intercepted by any obstruction, and with an efficient fog horn, to be sounded by mechanical means, and also with an efficient bell. (In all cases where the... | |
 | United States. President - 1911 - عدد الصفحات: 822
...be provided with an efficient whistle or siren, sounded by steam or by some substitute for steam, so placed that the sound may not be intercepted by any obstruction, and with an efficient fog horn, to be sounded by mechanical means, and also with an efficient bell. ( In all cases where... | |
| |
prolonged blast," used in this article, shall mean a blast of from four to six seconds' duration. A steam vessel shall be provided with an efficient whistle or siren, sounded by steam or some substitute for steam, so placed that the sound may not be intercepted... 
