- A modern helicopter on display.
- A vintage Rockford, Illinois machine shop manufacturing history project.
- A vintage Rockford, Illinois machine shop manufacturing history project.
- The Woodward Governor Company's Hydro Market before selling out to the General Electric Company.
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- A machine shop manufacturing advertisement from 1923.
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- A WOODWARD SUNDSTRAND APU GOVERNOR.
- A WOODWARD SUNDSTRAND APU GOVERNOR.
- Page 81. Picture credit Phillip M. Goldstein. Thank you for the great history!!!
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- A Rockford, Illinois map showing dwellings built before 1890.