Aerostat

Aerostat
Год
 
Страниц
 
288
ISBN
 
9786130641313
Издатель
 
Книга по требованию

Описание:

The word aerostat was originally French and is derived from the Greek aer (air) + statos (standing). An aerostat is a lighter than air object that can stay stationary in the air. Aerostats include free balloons, airships, moored balloons and tethered...

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