With this part of Volume 4, then, we come to the application by the Chinese of physical principles in the control of forces and in the use of power; we cross the frontier separating tools from the machine.

As Dr Needham's immense undertaking gathers momentum it has been found necessary to subdivide volumes into parts, each bound and published separately.

A section of Volume IV, part 1 and a section of Volume IV, part 3 of the major series:

After two volumes mainly introductory, Dr Needham now embarks upon his systematic study of the development of the natural sciences in China.

As Dr Needham's immense undertaking gathers momentum it has been found necessary to subdivide volumes into parts, each bound and published separately.

As Dr Needham's immense undertaking gathers momentum it has been found necessary to subdivide volumes into parts, each bound and published separately.

A section of Volume IV, part 1 and a section of Volume IV, part 3 of the major series:

The major part of the book is then devoted to the history of scientific thought in China itself. Beginning with ancient times, it describes the milieu in which arose the schools of the Confucians, Taoists, Mohists, Logicians and Legalists.

The major part of the book is then devoted to the history of scientific thought in China itself. Beginning with ancient times, it describes the milieu in which arose the schools of the Confucians, Taoists, Mohists, Logicians and Legalists.