- Rockford, Illinois history.
- Rockford, Illinois history.
- AMERICAN INVENTOR.
- AMERICAN INVENTOR.
- AMERICAN INVENTOR.
- SECOND EDITION IN 1907.
- A modern jet engine fuel control.
- Ford engine name plate.
- A Chandaler Evans Company jet engine fuel control.
- A jet engine fuel pump and governor on a jet engine.
- NIAGARA FALLS BOOK PAGE 203
- NIAGARA FALLS BOOK PAGE 202.
- NIAGARA FALLS BOOK PAGE 172
- NIAGARA FALLS BOOK 1927 ALLIS CHALMERS MANUFACTURING COMPANY 2.jpg 6
- NIAGARA FALLS BOOK 1927 ALLIS CHALMERS MANUFACTURING COMPANY 2