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The NSB (Norwegian State Railways) Class IV (as in the number four, or "fire" in Norwegian) or ''Tryggve'' Class was a class of narrow gauge steam locomotives built by
The NSB (Norwegian State Railways) Class IV (as in the number four, or "fire" in Norwegian) or ''Tryggve'' Class was a class of narrow gauge steam locomotives built by Beyer, Peacock & Company
Beyer, Peacock and Company was an English general engineering company and railway locomotive manufacturer with a factory in Openshaw, Manchester. Charles Beyer, Richard Peacock and Henry Robertson founded the company in 1854. The company close ...
in Manchester
Manchester () is a city and the metropolitan borough of Greater Manchester, England. It had an estimated population of in . Greater Manchester is the third-most populous metropolitan area in the United Kingdom, with a population of 2.92&nbs ...
, England. The gauge Beyer Peacock locomotives built for the Isle of Man Railway
The Isle of Man Railway (IMR) is a narrow gauge steam locomotive, steam-operated railway connecting Douglas, Isle of Man, Douglas with Castletown, Isle of Man, Castletown and Port Erin in the Isle of Man. The line is Narrow gauge railway, ...
strongly resemble this design.
Further reading
Bjerke, Thor; Hansen, Trond B.; Johansson, Erik W.; Sando, Svein E. (1987). Damplokomotiver i Norge. Norsk Jernbaneklubb. s. 222–224, 232–233. . {{train-stub Steam locomotives of Norway Beyer, Peacock locomotives 2-4-0T locomotives 3 ft 6 in gauge locomotives