Envair Class II Microbiological Safety Cabinet, for the safe handling of microorganisms in the laboratory, supplied by Envair Ltd, Haslingden, Rossendale, Lancashire, UK, 1993 Envair Class II Microbiological Safety Cabinet, supplied by Envair Ltd, Haslingden, Rossendale, Lancashire, UK, 1993 1993
Envair Class II Microbiological Safety Cabinet, for the safe handling of microorganisms in the laboratory, with bottle of unknown orange liquid, supplied by Envair Ltd, Haslingden, Rossendale, Lancashire, UK, 1993 Envair Class II Microbiological Safety Cabinet, with bottle of unknown liquid, supplied by Envair Ltd, Haslingden, Rossendale, Lancashire, UK, 1993 1993
Bottle containing unknown orange liquid, prop from Envair Class II Microbiological Safety Cabinet, for the safe handling of microorganisms in the laboratory, supplied by Envair Ltd, Haslingden, Rossendale, Lancashire, UK, 1993 Bottle of unknown liquid, prop from Envair Class II Microbiological Safety Cabinet, supplied by Envair Ltd, Haslingden, Rossendale, Lancashire, UK, 1993 1993