00527nam a22001817a 450000500170000001000150001702000240003202000360005603500140009203700090010608200080011510000260012324500870014926000320023627000390026830000280030749000100033520250120113027.0  aENG-143523  a9789381325391 (set)  c250.00a9789381325476 (Vol.VII)  aEN-127055  bDBAD  a620  aRay, Prof. Ajoy Kumar  aHistory of Science in India Vol.-VII Engineering Science/cBy Prof. Ajoy Kumar Ray  bSwami SuparnanandaaKolkata  aGol Park, KolkatabKolkatae700029  axviii,214p.c24cm (pbk)  vVol.8