00474nam a22001577a 450000500170000000800410001702000180005804000170007608200230009324500560011626000390017230000340021150000200024565000290026570000220029420220111110854.0220111b        |||||||| |||| 00| 0 eng d  a0-7270-0307-0  aDDCbEnglish  aRef. 600 M266 197710aMan and machines /cintroduces by Sir Jack Callard.  aAdelaide :bRigby Limited,cc1977.  a264 p. :bcol., ill. ; 30 cm.  aIncludes index.14aTechnology.aInventions.1 aCallard, Sir Jack