Canadian inventions book
Subtitle: innovations, discoveries, and firsts
By: by Janis Nostbakken and Jack Humphrey.
Contributors: Humphrey, Jack, joint author.
Publisher: Greey de Pencier Publications
Published: 1976
Place of publication: [Toronto
Language: eng
Number of pages: 159
Subjects: Inventions -- Canada -- History.
Notes: Bibliography: p. 156.
Includes index.