bfe flown with silk thread ness. The first question to be determined is the sup- would bring to the ground a tail kite. Sometimes the porting power of the air at a height of two milest- Will belonging to the Smithsonian Institution. My object was to reach an altitude of 5,000 feet with rarefied air… … feet above sea level, or 1,400 feet above and if released they float with and are the hill. surrounded by the same air, and so fail METHOD OF TBIANGULATION FOB UEASUBINO ALTITUDE. It brought down a record of 6° colder to record progressive changes above a than at the earth's surface. The instru-…
Kite · Inches · Munn · Water · Colors · Scientific American · Feet · Low pressure · Express money · Horse power · Pressure cylinder · High pressure · Perspective elevation · Sealed proposals · Blue hill · Silurian slate
Internet Archive · Public domain (published before 1931). Free to use for anything.
