Aviation, theorico-pracitcal text-book for students (1919)
Carmina, Benjamin Morreale, 1871- [from old catalog] · New York, The Macmillan company · leaf 130
14 AVIATION also. After this is dry, another patch with frayed edges (Fig. 80c) is applied on it and coated with the regular number of coats of dope and spar varnish. The last patch is frayed, because the frays adhere better than the plain edges. To repair a hole (Fig. 81a), it must be filled in… … it up and make it stronger at the edges, which are to be sewed. A piece of fabric is cut of such a size that when its edges are tucked under on all sides, it is about 1/16 of an inch smaller than the hole all around (Fig. 8 lrf) to make possible the stretching of the fabric in sewing it. The…
Aeronautics
Internet Archive · The Library of Congress · Public domain (published before 1931). Free to use for anything.
