<DOC>
<DOCNO>
795
</DOCNO>
<TITLE>
the operation of the npl 18in x 14in. wind tunnel in the transonic speed
 range .
</TITLE>
<AUTHOR>
hall, i.m.
</AUTHOR>
<BIBLIO>
a.r.c. c.p. 338, january 1957 .
</BIBLIO>
<TEXT>
a brief description of the slotted liners used is given together with
the power requirements and some flow surveys .
some observations are made on wall interference on a half-model of a
swept wing tested in the wind tunnel .
</TEXT>
</DOC>
