Ball Studio photograph of "First OAC Training Det. Ready to Leave 8-10-18." Formation of cadets with rifles at ready. The cadets uniforms reflect the WWI era with some exceptions. The campaign hats are of correct vintage, but the canvas puttees are of an older style. Rifles in the group are the older design, Model 1896 .30 Caliber Krag-Jorgensen Rifles. Probably a contemporary reprint of old WWI negative. Very clear detail of buildings and parade field. Of note is the walkway foreground made of lumber.
Individuals identified in this image include F.A. Gilfillan, back row first on left; Dean A. Ziefle, back row fourth from left; and Ernst T. Stuhr front row first on left. Photograph by Ball Studio.
Group of US Army Signal Corps instructors posing in front of Men's Gymnasium (now Langston Hall). Period marking on reverse: "Instructors - U.S. Training Detachment, Corvallis, Oregon, Aug 15th 1918." Also includes description of unit: "US Signal Corps Radio Telegraphy & Telephony, Oregon Agricultural College, Corvallis, Oregon." Marking at far top right corner: "from Percy."