Overhead ducts with table type supports and duct exit to the ceiling, from the 'Porton' microbiological safety cabinet for handling category IV infectious organisms, installed in Leeds Public Health Laboratory in 1982. Overhead ducts with table type supports and duct exit to the ceiling, from the 'Porton' microbiological safety cabinet 1982
Overhead ducts and table type supports from the 'Porton' microbiological safety cabinet for handling category IV infectious organisms, installed in Leeds Public Health Laboratory in 1982. Overhead ducts and table type supports from the 'Porton' microbiological safety cabinet 1982