Just found this on 'Thames Tugs':
EMPRESS OF INDIA 1898
Built 1898 by Carmichael Maclean, Greenock. Steel screw tug. YN15. L94.2'. B21.1'. D11.6'. 138grt. 530ihp 2cyl 19"x42"x24"s compound steam engine by J G Kincaid, Greenock. ON109958.
7-6-1898 Launched. 8-1898 Delivered to J. Constant, London. 1903 Owners Sir John Jackson Ltd, London. [Civil engineering contactors and believed used in extension to Devonport Dockyard]. 1907 Owners Florence Tugboat and Salvage Co., Middlesbrough. 6-1909 Owners Tees Tug Co Ltd., Middlesborough. 8-7-1913 Sold to Anglo Persian Oil Co., renamed Sirdar-I-Naphte. Based Persian Gulf. 1914 Req by UK Admiralty. 1915 Returned to owners. 19-3-1915 Foundered off Bushire whilst on passage Abadan to Bombay.
Interesting history or what??!!