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Portable Aitken type dust counter, 1900-1908

Portable Aitken type dust counter, 1900-1908

1900-1908
Isleworth gravimetric dust sampler for use in mines and quarries

Isleworth gravimetric dust sampler for use in mines and quarries

1977-1979
Dust and air sampler, England, 1970-1980

Dust and air sampler, England, 1970-1980

1950-1980
Dust monitor unit, British, 1996-1999

Dust monitor unit, British, 1996-1999

1996-1999
Air sampler based on a "Dustette" vacuum cleaner

Air sampler based on a "Dustette" vacuum cleaner

1960-1975
Carbon monoxide analysing meter, 1975-1980

Carbon monoxide analysing meter, 1975-1980

1975-1980
Air check sampler, 1996-1999

Air check sampler, 1996-1999

1996-1999
Personal Air Sampler, 1971-1980

Personal Air Sampler, 1971-1980

1971-1980
FI MK1 air sampling unit

FI MK1 air sampling unit

Air Sampler Head, 1971-1980

Air Sampler Head, 1971-1980

1971-1980
Miners' Oldham type "T" portable dust sampler

Miners' Oldham type "T" portable dust sampler

1977-1979
Dust and Fume Sampler using spools of filter paper

Dust and Fume Sampler using spools of filter paper

Dust sampling units, of type mounted on aircraft

Dust sampling units, of type mounted on aircraft

1960-1975
Vacuum air sampler, 1970-1979

Vacuum air sampler, 1970-1979

1970-1979
Dust sampling units, of type mounted on aircraft,

Dust sampling units, of type mounted on aircraft,

1960-1975
Air sampling unit

Air sampling unit

1970-1975
Air sampling unit

Air sampling unit

1970-1975
Cannister for vacuum air sampler, 1970-1979

Cannister for vacuum air sampler, 1970-1979

1970-1979
Dust sampling units, of type mounted on aircraft,

Dust sampling units, of type mounted on aircraft,

1960-1975
Air sampling units

Air sampling units

1970-1975
Air sampling unit

Air sampling unit

1960-1975
C.F. Casella and Co. Ltd personal air quality sampler, 1971-1980

C.F. Casella and Co. Ltd personal air quality sampler, 1971-1980

1971-1980
C.F. Casella and Co. Ltd cascade type dust grader, 1961-1970

C.F. Casella and Co. Ltd cascade type dust grader, 1961-1970

1961-1970
Portable Isleworth Gravimetric Dust Sampler, type 113A, marked NCB and MRE, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by Casella and Co. London, England, 1965-1985

Portable Isleworth Gravimetric Dust Sampler

Koptez Konimeter for the determination of dust concentrations in the atmosphere, contained in wooden box with twelve Konimeter slides, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by Scientific Instrument & Engineering Works, Johannesburg, South Africa, 1930-1960

Koptez Konimeter for the determination of dust concentrations in the atmosphere

Personal dust sampling equipment, consisting of two portable type L2C Dust samplers and two type BC3 Battery Chargers, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by Rotheroe and Mitchell, South Ruislip, England, 1970-1980

Personal dust sampling equipment

NCB-MRE portable Dust Sampler, type 101C, from the Occupational Healtth Department of the London School of Hygiene and Tropical Medicine, by Casella and Co. Ltd, London, England, 1950-1970

NCB-MRE portable Dust Sampler

Three colour change sealed glass tubes, supplied by SKC Ltd, England, and made by Gastec Corporation, Ayase-Shi, Kanagawa prefecture, Kanto, Japan, 1996-1999. Used with gas sampler to give an on-the-spot reading, either after a fixed volume of air has been drawn through the tube, or gradually over time with exposure.

Colour change tubes for air change sampler, 1996-1999

1996-1999
MSA Electrostatic Sampler, model F, in leather carrying case, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by the Mine Safety Appliances Co, Pittsburgh, Pennsylvania, USA, 1960-1980

MSA Electrostatic Sampler

Type C2000 portable gas and air sampler, made of plastic, metal and glass, made by Rotheroe and Mitchell Ltd., South Ruislip, English, 1950-1979

Type C2000 portable gas and air sampler

1950-1979
Personal Gravimeric Dust Sampler, model B T13040, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by Casella and Co. Ltd, London, England, 1970-1990

Personal Gravimeric Dust Sampler

Vacuum sampler (resembling white spray can), unsigned, British, 1971-1980.

Vacuum Sampler, 1971-1980

1971-1980
Monitoring unit of Beta Attenuation Particulate air monitor by the Research Appliance Co., Allison Park, Pennsylvania, USA, 1975-1980. A step sampling device for collecting dust particles on a strip of filter paper, with measurements made using a Beta radiation source and counter.

Beta Attenuation Particulate Monitor, 1975-1980

1975-1980
High flow personal Sampling Pump, model T13055/1, from the Ocupational Health Department of the London School of Hygiene and Tropical Medicine, by Casella and Co. Ltd, London, England, 1980-1990

High flow personal Sampling Pump

Portable personal Gas/Air Sampler, type C2000, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by Rotheroe and Mitchell Ltd, South Ruislip, England, 1960-1980

C2000 portable personal gas/air sampler

Personal Dust Sampler, type L10B, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by Rotheroe and Mitchell Ltd, South Ruislip, England, 1978

Personal Dust Sampler