This volume serves as the comprehensive index for the multi-volume series documenting the evolution of human technology from antiquity through 1950. Richard Raper compiles and organizes the vast array of inventions, social shifts, and economic developments discussed throughout the preceding volumes. The work functions as a navigational tool for researchers and historians seeking to synthesize the complex relationship between technological progress and political trends over several millennia.

Experts and researchers regard this index as a vital component for navigating the dense historical data presented in the series. Readers frequently note that the volume is essential for locating specific technical developments within the broader context of the project's historical analysis.