Photograph album of Packard and Liberty-12 airplane engines, including description by Alvan Macauley and letter of Henry B. Joy, 1918

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RESTRICTIONS:

The collection is open for research.

USE & PERMISSIONS:

Donor(s) have transferred any applicable copyright to the Regents of the University of Michigan but the collection may contain third-party materials for which copyright was not transferred. Patrons are responsible for determining the appropriate use or reuse of materials.