发明授权
US4377950A Vertical gyro erectors 失效
垂直陀螺仪

Vertical gyro erectors
摘要:
The invention concerns a vertical gyroscope rotary mechanical erector. According to the invention, the erector is characterized mainly by the fact that it features only one unstable pendulum (6) while providing the same quality on the vertical as the erectors fitted with at least two pendulums and offering as a further advantage, a greater simplicity and reliability.
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