Bulletin 2500/USA is a product solution guide that describes hydraulic valve and control products for industrial and mobile applications. A product reference section describes each of the product lines. These include electrohydraulic valves and electronic controls; direction control valves; flow control valves; cartridge valves; mobile control valves; and pressure controls.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.