Local magnetic disturbance of the compass on board ship. — The term "local magnetic disturbance" has reference only to the effects on the compass of magnetic masses external to the ship. Special Publications - Seite 191900Vollansicht - Über dieses Buch
| 1911 - 684 Seiten
...immediate proximity to any one' of the engraved compasses. 14. Local Magnetic Disturbance of the Comjtass on board Ship. — The term " local magnetic disturbance...ship in which it is placed. Observation shows that such disturbance of the compass in a ship afloat is experienced only in a few places on the globe.... | |
| U.S. Coast and Geodetic Survey - 1912 - 178 Seiten
...roses. LOCAL MAGNETIC DISTURBANCE. — The term "local magnetic disturbance" or "local attraction" has reference only to the effects on the compass of magnetic masses external to the ship. Observation shows that such disturbance of the compass in a ship afloat is experienced only in a few... | |
| United States. Hydrographic Office - 1915 - 1286 Seiten
...Halifax from Newfoundland the variation changes 10° in less than 500 miles. Local magnetic disturbance of the compass on board ship. — The term "local...the compass of magnetic masses external to the ship. Observation shows that disturbance of the compass in a ship afloat is experienced in only a few places... | |
| United States. Hydrographic Office - 1915 - 658 Seiten
...Halifax from Newfoundland the variation changes 10° in less than 500 miles. Local magnetic disturbance of the compass on board ship. — The term "local...the compass of magnetic masses external to the ship. Observation shows that disturbance of the compass in a ship afloat is experienced in only a few places... | |
| United States. Hydrographic Office - 1915 - 590 Seiten
...Halifax from Newfoundland the variation changes 10° in less than 500 miles. Local magnetic disturbance of the compass on board ship. — The term "local...the compass of magnetic masses external to the ship. Observation shows that disturbance of the compass in a ship afloat is experienced in only a few places... | |
| United States. Hydrographic Office - 1915 - 418 Seiten
...Halifax from Newfoundland the variation changes 10° in less than 500 miles. Local magnetic disturbance of the compass on board ship. — The term "local...the compass of magnetic masses external to the ship. Observation shows that disturbance of the compass in a ship afloat is experienced in only a few places... | |
| United States. Hydrographic Office - 1916 - 516 Seiten
...Halifax from Newfoundland the variation changes 10° in less than 500 miles. Local magnetic disturbance of the compass on board, ship. — The term "local...the compass of magnetic masses external to the ship. Observation shows that disturbance of the compass in aship afloat is experienced in only a few places... | |
| United States. Hydrographic Office - 1916 - 576 Seiten
...Halifax from Newfoundland the variation changes 10° in less than 500 miles. Local magnetic disturbance of the compass on board ship. — The term "local...on the compass of magnetic masses external to the 1 See HO Chart No. 2406, Variation of the Compass. —2 ship. Observation shows that disturbance of... | |
| United States. Hydrographic Office - 1916 - 322 Seiten
...Halifax from Newfoundland the variation changes 10° in less than 500 miles. Local magnetic disturbance of the compass on board ship. — The term "local...on the compass of magnetic masses external to the i See HO Chart No. 2406, Variation of the Compass. 22020—16 2 \ ship. Observation shows that disturbance... | |
| United States. Hydrographic Office - 1916 - 538 Seiten
...Halifax from Newfoundland the variation changes 10° in less than 500 miles. Local magnetic disturbance of the compass on board ship. — The term "local...on the compass of magnetic masses external to the l See HO Chart No. 2406, Variation ol the Compass. 32493— It ship. Observation shows that disturbance... | |
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