00797nam0-22002891i-450-99000072721040332120160629100457.0000072721FED01000072721(Aleph)000072721FED0100007272120020821d1959----km-y0itay50------baengy-------001yyTechnical drawing problemsNew YorkThe Macmillan Comp.19598 p.28 cmGiesecke,Frederick Ernest<1869-1953>319966Mitchell,AlvaSpencer,Cecil HenryITUNINARICAUNIMARCBK990000727210403321TECN C 754857FARBCFARBCTechnical drawing problems322428UNINA