Publisher:
John F. Rider Publisher: 1960
231 pages; 8vo (9") 23 cm; Set of 2 softcover volumes, blue-green covers, [x] + 101 + [vi] + 114 pages, 231 total pages, about 240 b/w illustrations and diagrams with captions. ; Rider 257-1 and 257-2. ; Topics include: What is a gyro. How it works. Law of gyroscopics. Gyroscopic precession. Vertical gyro. Directional gyro. Rate gyro. Integrating gyro. Gyrocompass. Stable platforms. Inertial navigation. Measuring velocity. More. ; Covers show fading and sunning around edges. No other defects. Both vols appear unused. ; Laid in: Publisher's 4-pg catalog dated 1 March 1960.
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