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GB285911A
(en)
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Improvements in turbine wheel propellers and motors
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SE48160C1
(en:Method)
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|
|
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US1450454A
(en)
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Lever-controlled paddle-action flying machine
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JPS5848240Y2
(ja)
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舵の支持構造
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GB474512A
(en)
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Oscillating vane propelling and steering device for boats
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|
US1927753A
(en)
|
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Aeroplane
|
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GB172997A
(en)
|
|
Improvements in screw propellers and the like
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|
GB832164A
(en)
|
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Reversible propeller
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|
GB124572A
(en)
|
|
Improved Means for Varying the Speed and Stopping Way of Aircraft Without Slowing the Propeller.
|
|
SE47435C1
(en:Method)
|
|
|
|
GB502764A
(en)
|
|
Improvements in or relating to high speed watercraft driven by propellers
|
|
GB259831A
(en)
|
|
Steering rudders for river and ocean going vessels
|
|
GB485704A
(en)
|
|
Improvements in and relating to rudders for manoevring ships
|
|
SE47920C1
(en:Method)
|
|
|
|
GB327076A
(en)
|
|
Improvements in or relating to foot propelled boats
|
|
GB533278A
(en)
|
|
Land and water vehicle or craft
|
|
SE70922C1
(en:Method)
|
|
|
|
SE100780C1
(en:Method)
|
|
|
|
GB253982A
(en)
|
|
Improvements in or connected with paddle wheels
|
|
SE47961C1
(en:Method)
|
|
|
|
GB211951A
(en)
|
|
Improvements in mechanism for varying the pitch of screw propellers
|
|
GB191006388A
(en)
|
|
Aerial Machines.
|
|
CH82199A
(de)
|
|
Motorpflug mit zwei vorderen Laufrädern, von denen das eine in der Furche läuft
|
|
CA475891A
(en)
|
|
Hubs for propellers or turbines with turnable blades
|
|
GB260042A
(en)
|
|
Improvements in counter propeller devices
|