to every five sand bags, watch- going down its side, across the bottom, and up the attached to the clapper, from which the valve cord pro- ing them closely and shifting them when necessary. ceeds down through the neck into the car. When the other side. When the last meshes on the lower edge of the… … Fig. 6.—A mesh gore and pattern of against the balloon's generally favored by aero- the beginner should Fig. 5a;—Upper side of a balloon valve. suspension net. nauts. sides during inflation, never attempt te make and should the balloon HOW TO CONSTRUCT A BALLOON. an ascension during a meet with…
Balloon · Valve · Feet · Cantilever · Aeronaut · Fixation · Scientific American · Total weight · Total length · Carbon disulphide · East river · Sewing machine · Wood block · Gas bag · Plaster cast · Sand bags
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