Table of Contents pages 1 - 566. If you have a particular unit in mind you can check to see which page that unit is on using this link. Then you can download the volume that contains your unit.
This is the complete book with all photographs and an introduction by the author. The file is large, about 100 megabytes. Try the other files if you have any doubts.
This volume is smaller and includes pages 1 - 142. It is about 51 megabytes.
This volume includes pages 143 - 284. It is about 74 megabytes.
This volume includes pages 285 - 426. It is about 78 megabytes.
This volume includes pages 427 - 566. It is about 65 megabytes