Oil spraying equipment for the A-20 (Douglas) and PT-17 (Stearman) airplanes as a mosquito control measure
by William Wyatt, University of Michigan. School of Public Health
MosquitoesControlDouglas airplanesEquipment and suppliesStearman airplanesMosquito ControlAircraftInstrumentation
Writing a summary for young readers…
For young readers
Book data: Open Library