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Start Over Author Agriculture Department Sudoc Stem A 56.11

31. Insect traps. Mobile insect-collecting trap; by J. R. Douglass and E. H. Bean.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: May 1939
SuDoc number:: A 56.11:146

32. Insecticides. Portable equipment for applying insecticidal concentrates by atomization; by S. F. Potts and G. W. Barber.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: May 1939
SuDoc number:: A 56.11:144

33. Photographic apparatus and supplies. Light and camera stand for photographic copy work; by Orin A. Hills and R. L. Wallis.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Apr. 1939
SuDoc number:: A 56.11:143

34. Bark beetles. Telescopic spray extension rod for use in bark beetle control work; by James C. Evenden.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Mar. 1939
SuDoc number:: A 56.11:142

35. Insects. Revolving plant cage for use in insect selectivity studies; by Jos. A. Gillett and J. R. Douglass.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Feb. 1939
SuDoc number:: A 56.11:139

36. Labels. Improved method of labeling jelly-glass rearing containers; by A. H. Madden.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Feb. 1939
SuDoc number:: A 56.11:140

37. Photographic apparatus and supplies. Portable stand for outdoor photography; by A. H. Madden.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Feb. 1939
SuDoc number:: A 56.11:141

38. Direction finders. Automatic wind-direction recorder adapted to electrical recording thermometer; by Robert A. Fulton.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Jan. 1939
SuDoc number:: A 56.11:137

39. Insects. Special cage for confining insects on tall plants or portions of plant; by Orin A. Hills.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Jan. 1939
SuDoc number:: A 56.11:138

40. Insects. Suggested method for determination of ether-extractives content of small insects; by William C. Cook.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Nov. 1938
SuDoc number:: A 56.11:136

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