Photograph of a radial motor and propeller mounted on a test block, Dayton, Ohio, 1915.
Inscription on verso: "Dayton Ohio - 1915. Radial motor on test block."
Photograph of Halden H. Emrick seated in the cockpit of a training aircraft, Dayton, Ohio, 1916.
Inscription on verso: "Dayton Ohio - 1916 - HH Emrick. 8."
Photograph of a training aircraft built by Halden H. Emrick, Dayton, Ohio, 1916.
Inscription on verso: "Dayton Ohio - 1916 - Anzani motor single seater built by HH Emrick."
Photograph of a training aircraft built by Halden H. Emrick, Dayton, Ohio, 1916. The aircraft's propeller blades are missing.
Inscription on verso: "Dayton Ohio - 1916 - [Auzani?] motor - single seater built by HH Emrick."
Photograph of a training aircraft built by Halden H. Emrick, Dayton, Ohio, 1916.
Inscription on verso: "Dayton Ohio - 1916. Anzani motor single seater built by HH Emrick."
Photograph of the wingless fuselage built by Halden H. Emrick, Dayton, Ohio, 1916.
Inscription on verso: "Dayton Ohio – 1916 -- Anzani motor -- Single seater fuselage built by HH Emrick."
Photograph of the wingless fuselage of a training airplane built by Halden H. Emrick, Dayton, Ohio, 1916.
Inscription on verso: "Dayton Ohio - 1916. Fuselage of single seater - Anzani motor built by HH Emrick."
Photograph of a woman seated in the cockpit of an unidentified aircraft, Dayton, Ohio, circa 1916.Inscription on verso: "If you have any rats down there use this one to get rid of them. / Dayton Ohio 1916 / [Zava West?]."
Photographic group portrait of military servicemen, Dayton, Ohio, circa 1916. The group is possibly Halden E. Emrick's squadron (820th Aero Squadron) during World War I.
Inscription on verso: "Dayton, Ohio -- 1916 -- H. H. Emrick."
Photographic group portrait of servicemen, circa 1917-1918. The group is possibly Halden E. Emrick's squadron (820th Aero Squadron) during World War I.