Pollen counter

Details Pollen counter Pollen counter

1982-09-22

1984-10-09

Kreitman, Stephen A.

Measuring and testing

Gas analysis

Solid content of gas

G01N 124, G01N 1500

Patent

active

044753799

ABSTRACT:
A pollen counter comprising an open-ended tube forming a path through which air can flow from one end to the other and having a fan inside the tubular member for causing air to flow at a desired rate through the tube and past a glass slide mounted within the tube and positioned to have pollen grains deposited on an edge as air flows through the tube.

REFERENCES:
patent: 2879664 (1959-03-01), Tait
patent: 4350507 (1982-09-01), Greenough

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