harn museum of art The design of the Saylor Beall Air Compressor is a large indicator with their quality and durability. Saylor-Beall products use materials selected specifically to own following characteristics: long-lasting strength and warmth resistance. Exacting dimensions and precision tolerances result in a highly efficient air compressor design. State-of-the-art, computer controlled equipment perform machining operations with extreme accuracy. Also, modern quality control procedures continuously monitor the machining process.