Class Information
Number: 33/329
Name: Geometrical instruments > Indicator of direction of force traversing natural media > Gyroscopically controlled or stabilized > Attitude indicator (i.e., pitch or bank) > Gyroscope mounted, lever indicator and skyplate
Description: Device including an indicator comprising a pivotally mounted rigid arm, and a background member for the indicator, and wherein both said rigid arm indicator and background member are connected to components of the gyroscope.
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