"The  invisible world" and other stories
Subtitle: being a few of the adventures of nine scientists and engineers in the fascinating world of electricity, based on General Electric messages which have appeared in youth periodicals during 1940, 1941, and 1942.
Publisher: General Electric
Published: 1942
Place of publication: [Schenectady, N.Y.]
Language: eng
Number of pages: 16
Subjects: Engineers.; Scientists.