Radiant energy – Fluent material containment – support or transfer means – With irradiating source or radiating fluent material
Patent
1977-07-25
1979-02-20
Smith, Alfred E.
Radiant energy
Fluent material containment, support or transfer means
With irradiating source or radiating fluent material
250394, G01N 2124, G01J 142
Patent
active
041409124
ABSTRACT:
Apparatus for monitoring the radioactivity of airborne particulate matter automatically and continually filtering discrete samples of air to collect the airborne particulate matter on a filter tape and automatically detecting, counting and recording the beta emissions therefrom to determine the atmospheric radon concentration.
REFERENCES:
patent: 2892091 (1959-06-01), Sawle
patent: 2972678 (1961-02-01), Anton
Bressan David J.
Larson Reginald E.
Daubenspeck William C.
Howell Janice A.
Schneider Philip
Sciascia R. S.
Smith Alfred E.
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