- Admiralty Tug
- A relatively small and heavily built vessel equipped with large engines. Used for towing ships at sea or manouevring them in tight spaces.
- English Heritage
- http://creativecommons.org/licenses/by/3.0 (FISH Maritime Craft Types Thesaurus)
- http://www.english-heritage.org.uk (FISH Maritime Craft Types Thesaurus)
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