The story
From Silver + town, after S. W. Silver and Co, a company that established a rubber works there in 1852.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: An industrial district, south of West Ham in the borough of Newham, Greater London, on the north bank of the Thames (OS grid ref TQ4180). Full definition →
From Silver + town, after S. W. Silver and Co, a company that established a rubber works there in 1852.
Etymology from Wiktionary, CC BY-SA 4.0.