Bare suriace*
=
ae
Ne
Leather flying
sg
glove (No. 3)
Cotton work
glove (No. 9)
Bare surface*
Bare surfaceé’
fo SM
Bare surface*
a
ia
:
"
LaF
Rubber surgical
glove (No. 12)
Vinyl-coated cotton
glove (No. 13)
Figure 3.5 Radioautographs of leading edge of the wing of a B-57B
with and without interposition of glove swatches.
* Slight blurring at edge due to incomplete contact with surface.
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SECRET