| 1841 - 598 páginas
...south from the castle of Kungsholm, near Carlskrona, in which tower has been placed a revolving light, which gives three equal clear flames within a period...the tower is 32 feet above the rock, and the light 58 feet above the level of the sea ; consequently the latter ought, in clear weather, to be seen 2J... | |
| 1841 - 604 páginas
...tower has been placed a revolving light, which gives three equal clear flumes within a period of sue minutes, with equally long intervals of darkness....the tower is 32 feet above the rock, and the light 58 feet above the level of the sea ; consequently the latter ought, in clear weather, to be seen 2... | |
| New seaman's Guide - 1847 - 476 páginas
...tower has been placed a revolving light, which give^ three equal clear flames within a period of 6 minutes, with equally long intervals of darkness....the tower is 32 feet above the rock, and the light 53 feet above the level of the sea, consequently, the latter ought, in clear weather, to be seen 2j... | |
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