plotting sheet

'plotting sheet' can also refer to...


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Generally a sheet of squared paper on which the navigator may plot position lines to establish his position when, as is likely in the ocean, the scale of the chart will be unsuitable. Plotting sheets for different latitudes are published by the British Hydrographic Department and in the United States a Universal Plotting Chart, a partially constructed blank Mercator projection chart, is often available and has many advantages for those wishing to use celestial navigation to establish their position.

Subjects: Maritime History.

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