Meanwhile, Roberts, Stevens, and Hertrich never stopped thinking about sugar production. Work on the first high- speed water-driven centrifugal for Hawaii began in 1940, and the Company received an order for three of them from dextrose producer, American Maize Products Company. The prototype and production models were tested extensively before being shipped to Hawaii. CHAPTER 6 left: A wartime advertisement promoting the Electrically Driven Centrifugal, published October, 1944 76