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" Tenby, by reckoning took a cast of the lead. Required the correction to be applied to the depth obtained by the lead line before comparing it with the depth marked on the Chart. "
Newton's Guide to the Board of trade examinations of masters and mates of ... - Página 145
por John Newton - 1884 - 176 páginas
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The Nautical Magazine: A Journal of Papers on Subjects Connected ..., Volumen50

1881
...distance the ship would then make good in hours towards Am. Compass course Distance 5. On being off by reckoning, took a cast of the lead, required the...before comparing it with the depth marked on the chart. 6. What do yon understand those small numbers to indicate that you see placed about the chart ? 7....
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Bergen's Guide book to the local Marine board examinations

William Culley Bergen - 1881
...Answer 7 6 to be subtracted. Example IX.— 1881, August, 15th, at 2h. 27m., PM, off Valentia Harbour, took a cast of the lead ; required the correction to be applied to it. dhm ft. in. Queenstown THW Aug. 15 8 51 PMHT 10 5 Valentia Constant — 1 19 — 08 Valentia THW...
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Supplement to Bergen's Epitome of navigation, containing the new questions ...

William Cuulley Bergen - 1881
...Answer 7 6 to be subtracted. Example IX.— 1881, August, 15th, at 2h. 27m., PM, off Valentía Harbour, took a cast of the lead ; required the correction to be applied to it. dhm ft. in. Queenstown THW Aug. 15 8 51 PMHT 10 5 Valentía Constant — 1 19 — 08 Valentía...
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Self-instruction in the Practice and Theory of Navigation, Volumen2

Windham Thomas Wyndham-Quin Earl of Dunraven - 1900
...Correction to subtract from sounding 29" Oin. 3. On July 4th, 1898, being off Ballycastle Bay, at 1.30 AM, took a cast of the lead. Required the correction to be applied to the sounding before comparing it with the chart. Answer. Ballycastle HW 6't 24m AM, Height 3ft 3in, HMSR...
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Self-instruction in the Practice and Theory of Navigation, Volumen1

Windham Thomas Wyndham-Quin Earl of Dunraven - 1900
...to be added. Here are some examples : 1. On November 9th, 1898, being off Portishead at 4 AM, MTS, took a cast of the lead. Required the correction to be applied to soundings before comparing it with the chart. Portishead is a Standard Port. On page 88 of the Admiralty...
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A Complete Epitome of Practical Navigation, and Nautical Astronomy ..., Volumen1

John William Norie, J. W. Saul - 1917 - 595 páginas
...10 to subtract EXAMPLE III On Sept. nth, 1915, at ih. 4m. am mean time at ship, being off Maryport, took a cast of the lead. Required the correction to be applied before comparing it with the chart. HW at Liverpool u Constant + HW Maryport o Time of cast i 59 pm...
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Text-book on Navigation and Nautical Astronomy

James Gill - 1918 - 438 páginas
...W. and SW f W. Find magnetic bearings. 22. On January 10th, at 8" 15" AMMTG, being off Beachy Head by reckoning, took a cast of the lead. Required the...correction to be applied to the depth obtained by the lead-line, before comparing it with the depth marked on the chart. 23. August 30th, at 8" 29" 30- PM...
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