In wineries with modern equipment there are blowers which thoroughly clean the fruit.
"Manual of American Grape-Growing"
U. P. Hedrick
Aside from the grapes sold and shipped to wineries, grapes as a rule sell for more in the cities and larger towns than in smaller places, the local demand being somewhat in proportion to the population.
"Manual of American Grape-Growing"
U. P. Hedrick
Grapes harvested by jarring are usually sent to the wineries and bring an average of 75 cents per bushel of 60 pounds.
"Manual of American Grape-Growing"
U. P. Hedrick