Welcome to the Woodward Governor Company unofficial History Site

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A few Hamilton Standard Company manuals.

PXL_20220702_133240584.jpg Two Hamilton Standard Constant Speed Controls.ThumbnailsGovernor D (installed on Hamilton Standard Number 4 Radial Engine.Two Hamilton Standard Constant Speed Controls.ThumbnailsGovernor D (installed on Hamilton Standard Number 4 Radial Engine.Two Hamilton Standard Constant Speed Controls.ThumbnailsGovernor D (installed on Hamilton Standard Number 4 Radial Engine.Two Hamilton Standard Constant Speed Controls.ThumbnailsGovernor D (installed on Hamilton Standard Number 4 Radial Engine.