Dowsing: Patents issued to Fred H. Brown, 1900, 1901, 1903, and to August P. Lighthill, 1884

• Title & Date(s): Dowsing: Patents issued to Fred H. Brown, 1900, 1901, 1903, and to August P. Lighthill, 1884
• Call Number: ML-25
• Box & Folder Number: Folder: 26, Box: 15
• Collection Title: Kenneth Roberts papers

ML-25, Box: 15, Folder: 26 (Mixed Materials)
Dowsing: Patents issued to Fred H. Brown, 1900, 1901, 1903, and to August P. Lighthill, 1884

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