Clarke | Nilfisk Official Website
Clarke's innovative sanding machine was so popular it quickly grew into a complete line of machines for floor sanding, vacuuming, and cleaning. Clarke grew steadily in the '20s and '30s, and by 1942 the company had 30 employees and $400,000 in sales. But by 1946, with the addition of floor polishers, more vacuums and hand tools, Clarke had ...