[New York, N.Y. : The Aerial Age Company, Inc.] · leaf 358
t coat the linen fabric. envelope of dirigible balloons. But preceding one is polished with very fine these fabrics were not very lasting be- Weight in oz. per sq. yd...... 4.2 emery cloth, cause of the corrosive action of any oil or Essential qualities of the stretching var- gasoline with which… … Testing fabric for tensile strength ful to the linen and must be composed of an acetate cellulosa solution (70/80 gr. Impermeability — The impermeability for every liter of varnish) in volatile sol- may be tried by pouring linseed oil on the vents not chlorated. To-day, cotton fabrics are used ex-…
Aeronautics -- Periodicals
Internet Archive · University of Illinois Urbana-Champaign · Public domain (published before 1931). Free to use for anything.
