Covina Solarizing Vtg 1920s 1930s California Orange Juice Preservation Brochure

Description

At Last! It is here: 100% Chemically Pure Orange Juice
Manufactured by Covina Solarizing Co., Covina CA Phone 12492
Licensees of the American Solarizing Co. undated 1920s or 1930s
Small bifold booklet announcing the solarizing process for citrus fruits.
I can find no information about this process, or the company itself.
Wear and soiling, no rips, tears, stains or writing.
Measures 6 x 3 1/2 inches.
Thanks for looking!