Chatterton, E. Keble (Edward Keble), 1878-1944 · London : Sidgewick & Jackson, litd · leaf 122
ulf Streamwater, being of a purer blue than the greenish-brownwater of the coastal current, must also have assistedthem in their long voyages. Like the ancient seamen of88 THE VIKING MARINERS the Mediterranean, they relied largely on the soundinglead, and there is a record that Ingolf and… … Primitive Navigation of the Vikings.Finding the ships latitude by the shadow of the gunwale. have measured the length of the shadow of the gunwaleby marks on the thwart, and determined when the boatlay on an even keel by means of a bowl of water. Theycould thus obtain a fairly trustworthy…
Ships · Shipbuilding · Navigation
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