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ES122290A1
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Improvements in aircraft stabilization devices, by means of bolts.
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ES122098A1
|
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A device for automatic orientation and hiding of motors by wind.
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ES118513A1
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Improvements in the adjustment of machines powered by windmills.
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ES112797A1
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A system of control by means of a weathercock or weather vane, applied to aviation.
|
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ES112261A1
|
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Improvements in the regulation of wind engines.
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ES112252A1
|
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An automatic orientation device for wind motors.
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CA140732A
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Means of reducing the resistance to the passage of vehicles through fluids
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US1065506A
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Means for reducing the resistance to the passage of vehicles in fluids.
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GB191206564A
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Improvements in Means for Reducing the Resistance to the Movements of Vehicles in Fluids.
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CA315793A
|
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Stabilizing device for aeroplanes
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CA300280A
|
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Controlling device for aircraft
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