Modern Americans in science and invention
By: by Edna Yost ; drawings by Margaret Ayer
Publisher: Lippincott
Published: 1941
Place of publication: Philadelphia
Language: eng
Number of pages: 270
Table of contents: title: Ezra Cornell.; title: John Francis Appleby.; title: Stephen Smith.; title: Samuel F. Langley.; title: John Brashear.; title: Ambrose Swasey.; title: William Crawford Gorgas.; title: Harvey Washington Wiley.; title: Elmer A. Sperry.; title: George Washington Carver.; title: Leo Hendrik Baekeland.; title: Willis H. Carrier.; title: Charles F. Kettering.; title: Frederick G. Cottrell.; title: Robert R. Williams.; title: Valdimir K. Zworykin.; title: Emil Truog.