Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 134,712 pages of information and 213,790 images on early companies, their products and the people who designed and built them.
1849 Viper was twin-screw ship which was used for comparative tests against her sister ship HMS Waterwitch which was equipped with Ruthven's system of hydraulic propulsion.
1900 Another ship carrying the name H.M.S. Viper was the first turbine powered-destroyer to be tested. She was built by Hawthorn Leslie and Co and demonstrated by the Royal Navy off Porstmouth, averaging 31.1 knots over 6 runs at 2/3 maximum power.