00477nam a2200169Ia 4500100004000000650001200040490000600052942000700058654002100065245002000086260004500106082000800151300000800159546001200167999001700179952011100196  aUniversal encyclopedia of machines   aGeneral  v1  cRB  aHow  things work  aHow things work  bGranada publicationaGreat Britainc1975  a621  a590  aENGLISH  c27286d27286  001040708AFTaCRCEbCRCEd2023-03-17g33.20iT-261l0o621 pAFT2189r2023-03-17v33.20w2023-03-17yRB