|
US1981827A
|
|
Controlling system
|
|
US2047922A
|
|
Gyroscope-controlled apparatus
|
|
US1837292A
|
|
Gyroscopic compass
|
|
US1926251A
|
|
Angle measuring device
|
|
DE558539C
|
|
Gyroscope
|
|
US1895628A
|
|
Gyroscopic instrument
|
|
US1906719A
|
|
Gyro-pendulum
|
|
US1840104A
|
|
Gyroscopic apparatus for stabilizing bodies
|
|
GB296790A
|
|
Improvements in or relating to gyroscopic compasses
|
|
US1924688A
|
|
Gyroscopic compass
|
|
DE494456C
|
|
Gyroscope for determining the geographical length on board vehicles
|
|
DE558538C
|
|
Gyroscope, the directional system of which has a tracking system that can move around all three main axes
|
|
DE556193C
|
|
Gyro compass with motorized tracking system
|
|
US1586233A
|
|
Means for controlling rotating field motors
|
|
GB252060A
|
|
Improvements in means for controlling rotating field motors
|
|
US1533941A
|
|
Gyroscopic apparatus having a means for indicating the inclined position of an airship or the like
|
|
US1711124A
|
|
Indicating means for compass cards
|
|
US1577981A
|
|
Resistance element
|
|
GB236880A
|
|
Improved manufacture of electric conducting and resistance material
|
|
US1589039A
|
|
Gyroscopic apparatus
|
