000 00433cam a2200181ua 4500
020 _c18.00
041 _aeng
_h
082 _a532.54
_bPUR/ST
100 _aPurday, H.F.P .
245 _aStreamline flow /
_cH.F.P.Purday.
_hTextual Documents
250 _a1 /
_b.
260 _aLondon :
_bConstable and Company Ltd ,
_c1949.
300 _a185 ; .
365 _a18.00
504 _a
942 _cBK
999 _c1930
_d1930