Researches and Experiments in Aerial Navigation, Smithsonian Publication No.
These men attracted little enough notice in their own day, and were regarded as amiable eccentrics; but they all thought long and hard on aerial navigation, and step by step, at their own costs, they brought it nearer to accomplishment.
Two periods of modern European history are notable for a quickening of human interest in the problem of aerial navigation.
He was born in 1773, and the balloons which excited the world during his boyhood directed his mind to the subject of aerial navigation.
It even appeared to me that the balloon itself, admirable for vertical ascents, was not necessarily a first step in aerial navigation, and might possibly have no share in the solution of the problem.
The German Society for the Promotion of Aerial Navigation, assisted by the Army Balloon Corps, were busy in 1888, when a series of important ascents were commenced.
German Army, who had seen service in the Franco-German War, had for some years devoted his fortune and energy to the practical study of aerial navigation, and had prosecuted experiments on a large scale.
The series of articles under the head of "Aerial Navigation," commenced on page 309, volume XXI.
From what little knowledge I possess of aerial navigation, I am persuaded that it would take less power to propel the "Aeroport" at a given speed, if the wheels were placed at the rear or front portion of the flying ship.
In 1917 the problem of aerial navigation had been practically solved by Tesla, in [AErial Navigation Perfected.
Langley and his disciples had not yet solved the great question of aerial navigation.
The old fashioned balloon, with no will or control of its own, subject to the whim or caprice of every breath of air, was the best apology we could offer in 1899 for purposes of aerial navigation.
If there is to be such a thing as aerial navigation in a commercial way--the carrying of freight and passengers--it will come through the employment of such monster balloons as Count Zeppelin is building.
While all this is true, the fact remains that wind pressure, up to a certain stage, is an absolute necessity in aerial navigation.
The accomplishment of aerial navigation, then, is within reach; its practicability can no longer be denied.
This consideration brings me to the most remarkable of all the sensations of aerial navigation.
Aerial navigation is thus a new art, particularly when heavier-than-air machines are used.
Great weight reduction is no longer regarded as essential at present speeds in aerial navigation: we have perhaps already gone too far in this respect.
No one of the revolutionizing inventions of man has progressed as rapidly as aerial navigation.
This firm has long held an honourable place in aeronautics, both in the construction of air-craft and in aerial navigation.
He had the restless mind of the inventor, and when he retired, a general, after twenty years' military service, he was free to give his whole attention to his dreams of aerial navigation.
Early writers of the fourth century saw the possibility of aerial navigation, but those who tried to put their theories in practice were beset by so many difficulties that they rarely succeeded in leaving the ground.
From this I am of the opinion that we cannot at present look to electricity with any hope of finding a motor which is suitable for the purpose of aerial navigation.
I made some sheet metal screws; also a screw which consisted of a steel frame covered with woven fabric, and which was identical with screws that I had seen described in various works relating to aerial navigation.
Only a year or so ago, our authorities were talking ofaerial navigation in its relation to war as 'an interesting and instructive study.
Therein lies one of the dangers of aerial navigation.
Another great desideratum in aerial navigation is a power of guiding the balloon according to a given direction--of propelling it through the atmosphere as steam-boats are propelled on the ocean.
The ingenuity of Mr. Green has been exerted with the view of discovering other improvements in the art of aerial navigation.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "aerial navigation" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
