|
GB319526A
|
|
Improvements in carburettors for internal combustion engines
|
|
GB298040A
|
|
An improved closure for collapsible tubes or containers
|
|
GB291388A
|
|
Improvements in aircraft
|
|
GB272449A
|
|
Improvements in methods of overcoming and eliminating frontal and skin resistances to the motion of bodies through fluids
|
|
GB171393A
|
|
Improvements in or relating to variable speed gearing
|
|
US1396917A
|
|
Propeller for aircraft
|
|
US1386490A
|
|
Propeller
|
|
GB164271A
|
|
Adjustable propeller
|
|
GB170687A
|
|
Improvements in or relating to combustion turbines
|
|
GB170366A
|
|
Propeller arrangement for airships
|
|
US1373048A
|
|
Propeller for aircraft
|
|
US1402736A
|
|
Aircraft fuselage
|
|
GB160102A
|
|
Improvements in or relating to propellers for flying machines and the like
|
|
GB167029A
|
|
Method for maintaining the necessary conditions of life in the fuselage of aircraft when flying at great heights
|
|
GB148274A
|
|
An improved speed indicator for ships or aircraft
|
|
GB141624A
|
|
An improved petrol filter
|
|
US1423987A
|
|
System or method of feeding combustion engines for airships
|
|
US1372268A
|
|
Change-speed mechanism
|
|
US1331480A
|
|
Gem grinding and polishing machine
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