Vectographs of Norton machines
Subtitle: these three-dimensional views of a few of our Norton machines have been prepared in the hope that this form of presentation will be interesting and informative
Publisher: Norton Company
Published: 1940
Place of publication: Worcester, Mass
Language: eng
Subjects: Grinding machines
Notes: With picture viewer (special pair of eyeglasses to see vectographs).

Rare Book copy: Number of copies in edition wanting.

Rare Book copy: No. 19.