A fun and fact-filled nature guide to over 350 plants and animals in Central Oregon.

Approachable, easy-to-use field guide to the plants and animals of Central Oregon

Vol. 12 includes under the same cover the society's year-book for 1912.

Considering a broad range of fundamental factors and conditions influencing the optimal design and operation of machinery, the Handbook of Machinery Dynamics emphasizes the force and motion analysis of machine components in multiple applications. Containing details on basic theories and particular problems, the Handbook of Machinery Dynamics... Reviews machine design for selecting the most appropriate energy transfer mechanisms Elaborates on vibration operations Develops and numerically illustrates rotordynamic expressions relating to spin speed, as well as whirl magnitude, speed, mode, and ratio Examines fluid-structure interactions and ways to prevent structural damage through fluid machinery stall or cavitation Calculates dynamic responses of machine tool and workpiece systems and analyzes the machine tool-cutting process as a nonlinear, dynamic system Offers forecasting methods for natural frequencies and mode shapes of blade-disk assemblies, and axial thrust loads on turbomachine bearings Addresses damage control, maintenance requirements, and troubleshooting techniques for ensuring reliable machinery performance And more