Poston, Arizona. Doctor George S. Kido, PhD from the University of California, and developer of a m . . .; Scope and content: The full caption for this photograph reads: Poston, Arizona. Doctor George S. Kido, PhD from the University of California, and developer of a machine which is used to spray ponds in the control of mosquitoes. This machine has been adapted from a 50 gallon orchard sprayer and has been mounted on a tractor drawn trailer. The mosquitos in this section of the country are potential carriers of equine encephalitis, which is a form of sleeping sickness. No cases of this disea
Poston, Arizona. Doctor George S. Kido, PhD from the University of California, and developer of a m . . .; Scope and content: The full caption for this photograph reads: Poston, Arizona. Doctor George S. Kido, PhD from the University of California, and developer of a machine which is used to spray ponds in the control of mosquitoes. This machine has been adapted from a 50 gallon orchard sprayer and has been mounted on a tractor drawn trailer. The mosquitos in this section of the country are potential carriers of equine encephalitis, which is a form of sleeping sickness. No cases of this disease have been found as yet. Doctor Kido was a well known track star at the University of California in his undergraduate days.
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