Authors
Subjects
Science--History--20th century.
Science--History--1900-1999.
Technology--History--20th century.
Technology--History--1900-1999.
Inventions--History--20th century.
Inventions--History--1900-1999.
Scientists--History--1900-1999.
Scientists--History--20th century.
Engineers--History--20th century.
Engineers--History--1900-1999.
Science--History--1900-1999.
Technology--History--20th century.
Technology--History--1900-1999.
Inventions--History--20th century.
Inventions--History--1900-1999.
Scientists--History--1900-1999.
Scientists--History--20th century.
Engineers--History--20th century.
Engineers--History--1900-1999.
Language
English
Series
Dimensions
29 cm.