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GB285911A
(en)
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|
Improvements in turbine wheel propellers and motors
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|
SE48160C1
(cs)
|
|
|
|
US1450454A
(en)
|
|
Lever-controlled paddle-action flying machine
|
|
GB472617A
(en)
|
|
Device for propelling and steering
|
|
JPS5848240Y2
(ja)
|
|
舵の支持構造
|
|
GB474512A
(en)
|
|
Oscillating vane propelling and steering device for boats
|
|
GB438928A
(en)
|
|
Improvements in road rollers
|
|
US1927753A
(en)
|
|
Aeroplane
|
|
SE47435C1
(cs)
|
|
|
|
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
(cs)
|
|
|
|
GB327076A
(en)
|
|
Improvements in or relating to foot propelled boats
|
|
GB533278A
(en)
|
|
Land and water vehicle or craft
|
|
GB401266A
(en)
|
|
Aeroplane
|
|
SE70922C1
(cs)
|
|
|
|
GB318773A
(en)
|
|
Improvements in or relating to aerial machines
|
|
SE100780C1
(cs)
|
|
|
|
GB253982A
(en)
|
|
Improvements in or connected with paddle wheels
|
|
SE71279C1
(cs)
|
|
|
|
GB116914A
(en)
|
|
A Flying Machine.
|
|
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
|