Spraying and dusting in agriculture
Found in 1 Collection or Record:
This collection (1933-1988, undated) contains news clippings and crop dusting films. The films were made by Robertson in the 1930s to show farmers the advantages of aerial crop dusting and to teach pilots the techniques of the business. The news clippings report on Robertson's pioneering work in crop dusting and his invention of the rotary crop spraying device.