- Tinker Swiss Cottage history.
- A vintage Woodward Load Sensing EG10 series governor.
- Caterpiller diesel engine governor applications.
- Table of contents continued.
- James Watt and the Kaufmann centrifugal governor system prototype.
- Caterpiller diesel engine technical manual.
- A James Watt steam Engine.
- James Watt and the Kaufmann governor contraption.
- Caterpiller diesel engine technical manual.
- Table of contents.
- ROCKFORD, ILLINOIS HISTORY.
- A vintage jet engine governor.
- ROCKFORD, ILLINOIS HISTORY.
- Caterpiller diesel engine technical manual.
- A vintage jet engine governor.