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Gummers Ltd. of Effingham Valve Works, Rotherham, Yorks; of Effingham Brassworks, Rotherham.
1871 Company founded.
1900 Private company.
1921 Name changed.
1961 Makers of high pressure steam, gas, oil, water, air and sanitary fittings, Security thermostatic mixing valves, Flushmaster flushing valves, Nilkon self closing taps, Twintite plunger type steam stop valves. 300 employees.