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Note added at 11 мин (2016-04-06 09:28:35 GMT)
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3. In an artificial horizon for aircraft, a selferecting gym-vertical, a gimbal ring supporting said gyroscope for oscillation about a transverse axis, a housing supporting said gimbal ring for oscillation about a longitudinal axis, a horizon bar member mounted for oscillation about a second transverse axis on said gimbal ring, a pin on said gyro, a slotted lever pivoted on said gimbar ring and engaged-by said pin, and another pin mounted on said lever and engaging a slot in said horizon bar member, whereby indications of initial longitudinal tilt of said gyroscope are magnified twice.
http://www.google.com/patents/US2183133

См. также: https://www.google.ru/#newwindow=1&tbs=li:1&q="gyroscope" "l...