00457nam a2200157Ia 4500008004100000040001900041041001200060082002200072100001800094245006300112260004100175300002400216440003500240650000800275850001600283131103s9999    xx            000 0 und d  aLoreto College  aEnglish  aREFb1 LCBED/5795  aNewing, F. E.  aLevers, pulleys and enginescF. E. Newing & Richard Bowood  aLoughboroughbWills & Hepworthc1963  a50p.b ill.c 20cm.  aA Ladybird junior science book  aREF  aLCBED/REF 1