Hvalrossen

The Hvalrossen was a Danish P Class torpedo boat of 169 tons displacement launched in 1913. The Hvalrossen had a top speed of 26 knots and carried a complement of 33. She was armed with one 3-inch gun; one 8 mm anti-aircraft gun and four 18-inch torpedo tubes.
Found on http://www.probertencyclopaedia.com/browse/RH.HTM
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