INSTRUCTIONAL. How to deal with potato blight.



A horse drawn chemical sprayer . Pouring the 'Burgundy Mixture', made by mixing
copper sulphate with soda, into the hopper of the sprayer, watched by an Army
officer . The chemical being applied in a fine spray, a woman worker driving
the horse drawn sprayer . George Robey demonstrating how to mix the chemicals
in a barrel. A hand sprayer attached to the back of a worker. Rotten potatoes.
George Robey advising "Therefore, Let us Spray" .