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A spear for sampling bulk grain by suction

Published online by Cambridge University Press:  10 July 2009

H. D. Burges
H. D. Burges
Affiliation:
Department of Scientific and Industrial Research, Pest Infestation Laboratory, Slough, Bucks.
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Extract

A light-weight spear has been developed to take samples of unlimited size from bulks of cereal grains. The spear is screwed on to lengths of narrow metal pipe, which are used to insert it into a bulk of grain. The sample is sucked out of the bulk through the pipe by the air stream of a domestic vacuum cleaner. This method largely overcomes the disadvantages inherent in other types of spear. The spear can be inserted into a bulk in any direction, even upwards. When sampling downwards, samples can be obtained from as deep as 9 m. Samples can be taken from directly against the walls of a store and as close as 1 cm. to the floor.

Type
Research Paper
Information
Bulletin of Entomological Research , Volume 51 , Issue 1 , April 1960 , pp. 1 - 5
Copyright
Copyright © Cambridge University Press 1960

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References

Lucas, C. E. & Glover, R. S. (1946). On making measurements in silo-stored grain.—Ann. appl. Biol. 33 pp. 293–302.CrossRefGoogle Scholar
Snedecor, G. W. (1956). Statistical methods applied to experiments in agriculture and biology.—5th ed., 534 pp. Ames, Iowa, Iowa St. Coll. Pr.Google Scholar