Notes for draughtsmen : a practical manual for students /
Orton, Neil.
Notes for draughtsmen : a practical manual for students / D. Neil Orton. - London : Macdonald, c1971. - 122 p.
0356034097
Mechanical drawing.
Notes for draughtsmen : a practical manual for students / D. Neil Orton. - London : Macdonald, c1971. - 122 p.
0356034097
Mechanical drawing.