Growth breaker attached to drip counter, part of continuous fermentation equipment, attached to drip counter used at the Microbiological Research Establishment, Porton Down, consisting of a cylindrical glass vessel with stoppers at both ends, which incorporate fine metal tubes to attach to rubber tubes. Stoppers attached at both ends by metal bars clamped to the vessel by black poles secured with wingnuts. Protruding from the bottom of the vessel are two connections to tubes: one leads to a fine glass drip counter, the other attaches the vessel to /4, foam catchpot Growth breaker
