Basic draughtsmanship for engineering students /
Skelton, E.
Basic draughtsmanship for engineering students / E. Skelton. - London : Longmans, c1966. - 96 p. : ill.
Engineering drawings.
Basic draughtsmanship for engineering students / E. Skelton. - London : Longmans, c1966. - 96 p. : ill.
Engineering drawings.