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A Unique Application of the 501 digital control system.

6.jpg A vintage Woodward PGA series governor.ThumbnailsA Unique Application of the 501 digital control system.A vintage Woodward PGA series governor.ThumbnailsA Unique Application of the 501 digital control system.A vintage Woodward PGA series governor.ThumbnailsA Unique Application of the 501 digital control system.A vintage Woodward PGA series governor.ThumbnailsA Unique Application of the 501 digital control system.

From the Woodward July 1990 Prime Mover Control publication.