This film, approved by American College of Surgeons, shows hand spraying of DDT in mosquito larviciding including mixing the solution; function, care, and use of equipment; and approved application practices. Explains advantages of DDT.
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)
Extent:
018 min.
Color:
Black and white
Sound:
Sound
Provenance:
Received: (date unknown) as a donation from the United States Public Health Service.