In dictionaries:
Silvanus Trevail
(11 November 1851 – 7 November 1903) a British architect, and the most prominent Cornish architect of the 19th century.
Silvanus P. Thompson
Silvanus Phillips Thompson (19 June 1851 – 12 June 1916) was an English professor of physics at the City and Guilds Technical College in Finsbury, England.
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