 | 1927 - 610 페이지
...and lowest of these lights shall be red, and the middle light shall be white, and they shall be of such a character as to be visible all round the horizon at a distance of at least 2 miles. By day shall carry in a vertical line one over the other, not less than 6 feet (i.8ra) apart, where they can... | |
 | Great Britain. Hydrographic Department - 1925 - 490 페이지
...and lowest of these lights shall be green, and the middle light shall be white, and they shall be of such a character as to be visible all round the horizon at a distance of at least 2 miles. In the case of a small vessel the distance between the lights of such private code may be reduced... | |
 | Great Britain. Board of Trade - 1926 - 200 페이지
...thai light, two red lights, in a vertical line one over the other, not less than 6 feet apart, and of such a character as to be visible all round the horizon at a distance of at least 2 miles; and shall by day carry in a vertical line one over the other not less than 6 feet apart, where... | |
 | U.S. Coast and Geodetic Survey - 1928 - 1006 페이지
...surveying vessel of the Coast and Geodetic Survey, under way and employed in hydrographic surveying, may carry in a vertical line, one over the other not less...apart where they can best be seen, three shapes not les than 2 feet in diameter of which the highest and lowest shall be globular in sbape and green in... | |
 | 1929 - 118 페이지
...6 feet apart, so 'placed that the lower light shall not be less than 14 feet above the hull, and of such a character as to be visible all round the horizon at a distance of at least 2 miles; and shall by day carry in a vertical line, one over the other not less than 6 feet apart, where... | |
 | United States. Department of State - 1929 - 982 페이지
...than 6 feet apart, so placed that the lower light shall not be less than 14 Jcet above the huU, and of such a character as to be visible all round the horizon at a distance of at least 2 miles; and shall by day carry in a vertical line, one over the other not less than 6 feet apart, where... | |
 | United States. Hydrographic Office - 1938 - 466 페이지
...are as follows : By day. — A surveying vessel under way and employed in hydrographic surveying may carry in a vertical line, one over the other, not...highest and lowest shall be globular in shape and green in color and the middle one diamond in shape and white. By night. — A surveying vessel, under... | |
 | U.S. Coast and Geodetic Survey - 1938 - 504 페이지
...surveying vessel of the Coast and Geodetic Survey, under way and employed in hydrographic surveying, may carry in a vertical line, one over the other not less...seen, three shapes not less than 2 feet in diameter of wbich the highest and lowest shall be globular in shape and green in color and the middle one diamond... | |
 | 1939 - 998 페이지
...character as to be visible all around the horizon at a distance of at least 2 miles; and shall by day carry in a vertical line one over the other, not less than 6 feet apart, where they can best be seen, two black balls or shapes, each 2 feet in diameter. (b) A vessel employed in laying or in picking up... | |
 | U.S. Coast and Geodetic Survey - 1940 - 562 페이지
...surveying vessel of the Coast and Geodetic Survey, under way and employed in hydrographic surveying, may carry in a vertical line, one over the other not less...in diameter of which the highest and lowest shall he globular in shape and green in color and the middle one diamond in shape and white. (a) Vessels... | |
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... in a vertical line, one over the other, not less than 3 feet apart, and of such a character as to be visible all round the horizon at a distance of at least 2 miles... 
