The Wesef was a German fishery protection vessel of 600 tons displacement launched in 1931. The Elbe was powered by two sets of Linke-Hofmann-Busch 6-cylinder 4-stroke diesel engines providing a top speed of 15 knots and a range of 11200 km at 11 knots. She carried a complement of 48 and was armed with a 3.5 inch gun and a machine-gun.
Found on http://www.probertencyclopaedia.com/browse/RW.HTM
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