Oil
Part of the Frick Collection Archives Repository
Vacuum Oil Company (Boston, Mass.), 1908, Box: 52, Folder: 2. Henry Clay Frick Papers, Series IV: Receipts, FFP.01.04. Frick Collection Archives.
Vacuum Oil Company (Boston, Mass.), 1908, Box: 52, Folder: 2. Henry Clay Frick Papers, Series IV: Receipts, FFP.01.04. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/7847 Accessed April 21, 2025.
