- Energy Control Systems At the Heart of the System Since 1870.
- A Safran Silvercrest jet engine.
- A Snecma Silvercrest business jet engine.
- The Safran Silvercrest gas turbine engine on display.
- CLOSING THE LOOP. FEBRUARY 1993.
- PMC February 1993.
- A James Leffel & Company letter to the Woodward Governor Company in 1919.
- 1993. 4
- Woodward blueprint for Man Edge Tool Company, circa 1918. 2.
- Woodward blueprint for Man Edge Tool Company, circa 1918.
- The James Leffel Company letter, circa November 13,1918.
- Mann Edge Tool Company letter, circa May 8, 1919.
- Aviation Week magazine advertisement from 1957.
- Woodward blueprint for Man Edge Tool Company, circa 1918. 4.
- WOODWARD DRAWING. CIRCA MARCH 24,1919.