00383nam a2200145Ia 4500 200103s9999||||xx |||||||||||||| ||und|| IMU-MPC Column-4 Hitchins, H.L. and May, W.E. From Lodestone to Gyro-Compass 1st Ed. Hitchinson's Scientific and Technical Publications 1952 219 BK 3213 3213 0 0 ddc 0 623_894000000000000_HIT 0 NFIC 4315 MU MU 2020-01-08 623.894 HIT LBS864 2025-03-17 BK Column-4