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searching for Frank W. Caldwell 2 found (8 total)

Variable-pitch propeller (aeronautics) (2,459 words) [view diff] exact match in snippet view article

Hamilton Standard Division of the United Aircraft Company, engineer Frank W. Caldwell developed a hydraulic design, which led to the award of the Collier

Hotel Sansone (130 words) [view diff] no match in snippet view article find links to article

-93.29028 Area less than one acre Built 1911 (1911) Architect Hunt, Frank W.; Caldwell and Drake Architectural style Bungalow/craftsman MPS Springfield,