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- Collection: G. H. Frohn World War I Notebook
[Notebook containing training notes from G. H. Frohn's service with 32nd Aero Squadron, circa 1917-1918]
![[Notebook containing training notes from G. H. Frohn's service with 32nd Aero Squadron, circa 1917-1918]](https://digitalcollections.museumofflight.org/files/square_thumbnails/82a3a3cb7c6a8552acbf3732b078814e.jpg "[Notebook containing training notes from G. H. Frohn's service with 32nd Aero Squadron, circa 1917-1918]")
Notebook containing training notes from G. H. Frohn's service with the 32nd Aero Squadron during World War I, circa 1917-1918. Topics include magnetism, electricity, regimental communications methods such as signal lamps, French and American phone…